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title="Wikipedia:WikiProject Astronomy/Importance ratings">project's importance scale</a>.</td></tr></tbody></table></td></tr></tbody></table></td></tr></tbody></table> <meta property="mw:PageProp/toc"/> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Wiki_Education_Foundation-supported_course_assignment" data-mw-thread-id="h-Wiki_Education_Foundation-supported_course_assignment-2022-01-17T11:39:00.000Z"><span data-mw-comment-start="" id="h-Wiki_Education_Foundation-supported_course_assignment-2022-01-17T11:39:00.000Z"></span>Wiki Education Foundation-supported course assignment<span data-mw-comment-end="h-Wiki_Education_Foundation-supported_course_assignment-2022-01-17T11:39:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Astronomical_transit&action=edit&section=1" title="Edit section: Wiki Education Foundation-supported course assignment"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-PrimeBOT-2022-01-17T11:39:00.000Z-Wiki_Education_Foundation-supported_course_assignment"></span><span typeof="mw:File"><a href="/wiki/File:Sciences_humaines.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Sciences_humaines.svg/40px-Sciences_humaines.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Sciences_humaines.svg/60px-Sciences_humaines.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Sciences_humaines.svg/80px-Sciences_humaines.svg.png 2x" data-file-width="256" data-file-height="256"/></a></span> This article was the subject of a Wiki Education Foundation-supported course assignment, between <span class="mw-formatted-date" title="2018-08-27">27 August 2018</span> and <span class="mw-formatted-date" title="2018-12-17">17 December 2018</span>. Further details are available <a href="/wiki/Wikipedia:Wiki_Ed/Lehigh_University/Exoplanets_(Fall_2018)" title="Wikipedia:Wiki Ed/Lehigh University/Exoplanets (Fall 2018)">on the course page</a>. Student editor(s): <a href="/wiki/User:Jal418" title="User:Jal418">Jal418</a>, <a href="/wiki/User:Artlessbarnacle" title="User:Artlessbarnacle">Artlessbarnacle</a>. </p><p><span style="font-size:85%;">Above undated message substituted from <a href="/wiki/Template:Dashboard.wikiedu.org_assignment" title="Template:Dashboard.wikiedu.org assignment">Template:Dashboard.wikiedu.org assignment</a> by <a href="/wiki/User:PrimeBOT" title="User:PrimeBOT">PrimeBOT</a> (<a href="/wiki/User_talk:PrimeBOT" class="mw-redirect" title="User talk:PrimeBOT">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-PrimeBOT-2022-01-17T11:39:00.000Z-Wiki_Education_Foundation-supported_course_assignment" class="ext-discussiontools-init-timestamplink">11:39, 17 January 2022 (UTC)</a></span><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-PrimeBOT-2022-01-17T11:39:00.000Z-Wiki_Education_Foundation-supported_course_assignment"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-PrimeBOT-2022-01-17T11:39:00.000Z-Wiki_Education_Foundation-supported_course_assignment"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Image_Venus/Jupiter" data-mw-thread-id="h-Image_Venus/Jupiter-2006-07-12T00:44:00.000Z"><span id="Image_Venus.2FJupiter"></span><span data-mw-comment-start="" id="h-Image_Venus/Jupiter-2006-07-12T00:44:00.000Z"></span>Image Venus/Jupiter<span data-mw-comment-end="h-Image_Venus/Jupiter-2006-07-12T00:44:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Astronomical_transit&action=edit&section=2" title="Edit section: Image Venus/Jupiter"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <span data-mw-comment-start="" id="c-BartBenjamin-2006-07-12T00:44:00.000Z-Image_Venus/Jupiter"></span><figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:VtransitsJ.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3f/VtransitsJ.jpg/100px-VtransitsJ.jpg" decoding="async" width="100" height="97" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3f/VtransitsJ.jpg/150px-VtransitsJ.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3f/VtransitsJ.jpg/200px-VtransitsJ.jpg 2x" data-file-width="377" data-file-height="366"/></a><figcaption><a href="/wiki/Venus" title="Venus">Venus</a> transiting <a href="/wiki/Jupiter" title="Jupiter">Jupiter</a>.</figcaption></figure> <p>A simulation of Venus transiting Jupiter, as it did on January 3, 1818. ? Err exactly what position of observation renders that view of Venus transiting Jupiter. This image should be removed, not only is it nonsensical and badly put together aswell. </p><p><b>Dear anonymous flamer:</b> Had you bothered to check the information contained in that image file, the illustration was created using Starry Night Pro software. It is VERY possible (although VERY rare) for one planet to pass in front of another as viewed from earth. In the case of Venus and Jupiter, since Venus will always be the closer planet to Earth, it will always be seen transiting Jupiter rather than the converse. <a href="/wiki/User:BartBenjamin" title="User:BartBenjamin">Bart</a> <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-BartBenjamin-2006-07-12T00:44:00.000Z-Image_Venus/Jupiter" class="ext-discussiontools-init-timestamplink">00:44, 12 July 2006 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-BartBenjamin-2006-07-12T00:44:00.000Z-Image_Venus/Jupiter"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-BartBenjamin-2006-07-12T00:44:00.000Z-Image_Venus/Jupiter"></span> </p> <dl><dd><span data-mw-comment-start="" id="c-Kheider-2008-06-09T17:40:00.000Z-BartBenjamin-2006-07-12T00:44:00.000Z"></span>On 1818-Jan-03, Jupiter was 6.2AU and Venus 1.6AU from the Earth. Both were on the opposite side of the Sun in the constellation Sagittarius and 16 degress from the Sun in the morning sky. -- <a href="/wiki/User:Kheider" title="User:Kheider">Kheider</a> (<a href="/wiki/User_talk:Kheider" title="User talk:Kheider">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Kheider-2008-06-09T17:40:00.000Z-BartBenjamin-2006-07-12T00:44:00.000Z" class="ext-discussiontools-init-timestamplink">17:40, 9 June 2008 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Kheider-2008-06-09T17:40:00.000Z-BartBenjamin-2006-07-12T00:44:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Kheider-2008-06-09T17:40:00.000Z-BartBenjamin-2006-07-12T00:44:00.000Z"></span></dd></dl> <div class="mw-heading mw-heading3"><h3 id="Venus_/_Jupiter_transition" data-mw-thread-id="h-Venus_/_Jupiter_transition-Image_Venus/Jupiter-2010-07-01T10:56:00.000Z"><span id="Venus_.2F_Jupiter_transition"></span><span data-mw-comment-start="" id="h-Venus_/_Jupiter_transition-Image_Venus/Jupiter-2010-07-01T10:56:00.000Z"></span>Venus / Jupiter transition<span data-mw-comment-end="h-Venus_/_Jupiter_transition-Image_Venus/Jupiter-2010-07-01T10:56:00.000Z"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Astronomical_transit&action=edit&section=3" title="Edit section: Venus / Jupiter transition"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><span data-mw-comment-start="" id="c-Khukri-2010-07-01T10:56:00.000Z-Venus_/_Jupiter_transition"></span>Hi, What is the point of the Venus/Jupiter image and in what way is it a simulation? Unless Venus in 1818 suddenly jumped about 4.5 AUs then I can't see how it is a simulation of anything other than questionable photo shopping? Cheers <sup><a href="/wiki/User:Khukri" title="User:Khukri"><b><span style="font-family:verdana; color:#6633cc;">Khu</span></b></a><a href="/wiki/User_talk:Khukri" title="User talk:Khukri"><b><span style="font-family:verdana; color:#CC66FF;">kri</span></b></a></sup> <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Khukri-2010-07-01T10:56:00.000Z-Venus_/_Jupiter_transition" class="ext-discussiontools-init-timestamplink">10:56, 1 July 2010 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Khukri-2010-07-01T10:56:00.000Z-Venus_/_Jupiter_transition"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Khukri-2010-07-01T10:56:00.000Z-Venus_/_Jupiter_transition"></span> </p> <dl><dd><span data-mw-comment-start="" id="c-Kheider-2010-07-01T11:20:00.000Z-Khukri-2010-07-01T10:56:00.000Z"></span>This concern has been discussed before. Jupiter and Venus frequently hang out near the Sun as seen in our sky. -- <a href="/wiki/User:Kheider" title="User:Kheider">Kheider</a> (<a href="/wiki/User_talk:Kheider" title="User talk:Kheider">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Kheider-2010-07-01T11:20:00.000Z-Khukri-2010-07-01T10:56:00.000Z" class="ext-discussiontools-init-timestamplink">11:20, 1 July 2010 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Kheider-2010-07-01T11:20:00.000Z-Khukri-2010-07-01T10:56:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Kheider-2010-07-01T11:20:00.000Z-Khukri-2010-07-01T10:56:00.000Z"></span></dd></dl> <div class="mw-heading mw-heading3"><h3 id="Accuracy" data-mw-thread-id="h-Accuracy-Image_Venus/Jupiter-2013-02-23T23:40:00.000Z"><span data-mw-comment-start="" id="h-Accuracy-Image_Venus/Jupiter-2013-02-23T23:40:00.000Z"></span>Accuracy<span data-mw-comment-end="h-Accuracy-Image_Venus/Jupiter-2013-02-23T23:40:00.000Z"></span></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Astronomical_transit&action=edit&section=4" title="Edit section: Accuracy"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><span data-mw-comment-start="" id="c-65.92.180.137-2013-02-23T23:40:00.000Z-Accuracy"></span>How is this accurate? Is the relative sizes of the discs of Jupiter and Venus correct? What distance from Venus was the origin point for this simulation? -- <a href="/wiki/Special:Contributions/65.92.180.137" title="Special:Contributions/65.92.180.137">65.92.180.137</a> (<a href="/wiki/User_talk:65.92.180.137" title="User talk:65.92.180.137">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-65.92.180.137-2013-02-23T23:40:00.000Z-Accuracy" class="ext-discussiontools-init-timestamplink">23:40, 23 February 2013 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-65.92.180.137-2013-02-23T23:40:00.000Z-Accuracy"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-65.92.180.137-2013-02-23T23:40:00.000Z-Accuracy"></span> </p><p><span data-mw-comment-start="" id="c-79.73.149.69-2017-07-17T01:44:00.000Z-Accuracy"></span>So, it's still here, and it still looks terrible. Is there no way to create a better-looking version of this image? Without using Photoshop, I mean (though ironically enough, you could easily improve on the current image if you did). By the way, Venus should be much brighter than Jupiter, and if we're really going to nit-pick, it's not certain that the <a href="/wiki/Great_Red_Spot" title="Great Red Spot">Great Red Spot</a> was actually visible in 1818... <a href="/wiki/Special:Contributions/79.73.149.69" title="Special:Contributions/79.73.149.69">79.73.149.69</a> (<a href="/w/index.php?title=User_talk:79.73.149.69&action=edit&redlink=1" class="new" title="User talk:79.73.149.69 (page does not exist)">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-79.73.149.69-2017-07-17T01:44:00.000Z-Accuracy" class="ext-discussiontools-init-timestamplink">01:44, 17 July 2017 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-79.73.149.69-2017-07-17T01:44:00.000Z-Accuracy"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-79.73.149.69-2017-07-17T01:44:00.000Z-Accuracy"></span> </p> <dl><dd><span data-mw-comment-start="" id="c-79.73.149.69-2017-07-17T02:09:00.000Z-79.73.149.69-2017-07-17T01:44:00.000Z"></span>And now that I think about it, it occurs to me that the tilt of Jupiter's axis would also need to be taken into account. How was it actually aligned with respect to whatever "up" is in the image, on the date in question? <a href="/wiki/Special:Contributions/79.73.149.69" title="Special:Contributions/79.73.149.69">79.73.149.69</a> (<a href="/w/index.php?title=User_talk:79.73.149.69&action=edit&redlink=1" class="new" title="User talk:79.73.149.69 (page does not exist)">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-79.73.149.69-2017-07-17T02:09:00.000Z-79.73.149.69-2017-07-17T01:44:00.000Z" class="ext-discussiontools-init-timestamplink">02:09, 17 July 2017 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-79.73.149.69-2017-07-17T02:09:00.000Z-79.73.149.69-2017-07-17T01:44:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-79.73.149.69-2017-07-17T02:09:00.000Z-79.73.149.69-2017-07-17T01:44:00.000Z"></span></dd></dl> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Definitions" data-mw-thread-id="h-Definitions-2009-01-02T09:55:00.000Z"><span data-mw-comment-start="" id="h-Definitions-2009-01-02T09:55:00.000Z"></span>Definitions<span data-mw-comment-end="h-Definitions-2009-01-02T09:55:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Astronomical_transit&action=edit&section=5" title="Edit section: Definitions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-195.146.147.26-2009-01-02T09:55:00.000Z-Definitions"></span>I have some issues with the article. Several "definitions" seem confusing. For instance, the definition itself says that the nearer object is apparently smaller in size than the more distant object. While strictly mathematically speaking this is correct, the natural understanding of perspective would suggest something along the line "The transitting object is closer to the observer than the more distant object, which, consequently, appears to be smaller than it actually is; for instance, Venus transitting Sun covers significant portion of Sun, while in reality, it is less than (exact value here) of Sun's diameter." Another problematic part is "When the nearer object has a larger angular diameter than the farther object, thus covering it completely" in "Mutual planetary..." -- The problem is that for a closer object to cover a distant object completely, the closer object need not be larger (Moon can cover Sun when observed from Earth during Solar "eclipses"). It worries me that the definitions in this article do not have citation marks at them. Thanks for your time. Alcator <a href="/wiki/Special:Contributions/195.146.147.26" title="Special:Contributions/195.146.147.26">195.146.147.26</a> (<a href="/w/index.php?title=User_talk:195.146.147.26&action=edit&redlink=1" class="new" title="User talk:195.146.147.26 (page does not exist)">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-195.146.147.26-2009-01-02T09:55:00.000Z-Definitions" class="ext-discussiontools-init-timestamplink">09:55, 2 January 2009 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-195.146.147.26-2009-01-02T09:55:00.000Z-Definitions"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-195.146.147.26-2009-01-02T09:55:00.000Z-Definitions"></span> </p> <dl><dd><span data-mw-comment-start="" id="c-Kheider-2009-01-02T16:51:00.000Z-195.146.147.26-2009-01-02T09:55:00.000Z"></span>It looks fairly good to me. It might be more confusing to make the definition too wordy. We do not want to confuse a simple transit with a full <a href="/wiki/Occultation" title="Occultation">occultation</a>. The <a href="/wiki/Angular_diameter" title="Angular diameter">angular diameter</a> of a smaller object can easily be larger than a physically larger object at a much greater distance. I suggest re-reading the <a href="/wiki/Angular_diameter#Use_in_astronomy" title="Angular diameter">angular diameter</a> article. It explains and gives a range for the apparent sizes of well known bodies in the solar system as seen from the Earth. -- <a href="/wiki/User:Kheider" title="User:Kheider">Kheider</a> (<a href="/wiki/User_talk:Kheider" title="User talk:Kheider">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Kheider-2009-01-02T16:51:00.000Z-195.146.147.26-2009-01-02T09:55:00.000Z" class="ext-discussiontools-init-timestamplink">16:51, 2 January 2009 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Kheider-2009-01-02T16:51:00.000Z-195.146.147.26-2009-01-02T09:55:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Kheider-2009-01-02T16:51:00.000Z-195.146.147.26-2009-01-02T09:55:00.000Z"></span></dd></dl> <dl><dd><dl><dd>Question regarding definitions: This idea occurs 3 times on the page: 1. If the first celestial body hides a major part, or all of, the second celestial body, then it is an occultation rather than a transit. 2. Cases where the nearer object appears larger and completely hides the more distant object are known as occultations. 3. When the nearer object has a larger angular diameter than the farther object, <a href="/w/index.php?title=Thus_covering_it_completely&action=edit&redlink=1" class="new" title="Thus covering it completely (page does not exist)">thus covering it completely</a>, the event is not a transit but an occultation.</dd></dl></dd></dl> <dl><dd><dl><dd><dl><dd>Would a "full occultation" not be an eclipse? AuthorizeditorA 23:51, 27 April 2012 (UTC) <small><span class="autosigned">— Preceding <a href="/wiki/Wikipedia:Signatures" title="Wikipedia:Signatures">unsigned</a> comment added by <a href="/wiki/User:AuthorizeditorA" title="User:AuthorizeditorA">AuthorizeditorA</a> (<a href="/wiki/User_talk:AuthorizeditorA" title="User talk:AuthorizeditorA">talk</a> • <a href="/wiki/Special:Contributions/AuthorizeditorA" title="Special:Contributions/AuthorizeditorA">contribs</a>) </span></small></dd></dl></dd></dl></dd></dl> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Distance_from_Sun" data-mw-thread-id="h-Distance_from_Sun-2006-11-08T13:30:00.000Z"><span data-mw-comment-start="" id="h-Distance_from_Sun-2006-11-08T13:30:00.000Z"></span>Distance from Sun<span data-mw-comment-end="h-Distance_from_Sun-2006-11-08T13:30:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Astronomical_transit&action=edit&section=6" title="Edit section: Distance from Sun"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-MichaelSH-2006-11-08T13:30:00.000Z-Distance_from_Sun"></span>This article does not mention that transits were used estimate the distance between the Earth and the Sun <a rel="nofollow" class="external autonumber" href="http://www.exploratorium.edu/venus/P_question4.html">[1]</a> and hence (via Kepler's laws) the scale of the solar system. <a href="/wiki/User:MichaelSH" title="User:MichaelSH">MichaelSH</a> <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-MichaelSH-2006-11-08T13:30:00.000Z-Distance_from_Sun" class="ext-discussiontools-init-timestamplink">13:30, 8 November 2006 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-MichaelSH-2006-11-08T13:30:00.000Z-Distance_from_Sun"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-MichaelSH-2006-11-08T13:30:00.000Z-Distance_from_Sun"></span> </p><p><span data-mw-comment-start="" id="c-Donald_j_axel-2009-02-03T00:40:00.000Z-Distance_from_Sun"></span>Important point. Is there any reason not to revise the article? Even the first version from 2003 has qualities which are now lacking. </p> <pre>--<a href="/wiki/User:Donald_j_axel" title="User:Donald j axel">d-axel</a> (<a href="/wiki/User_talk:Donald_j_axel" title="User talk:Donald j axel">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Donald_j_axel-2009-02-03T00:40:00.000Z-Distance_from_Sun" class="ext-discussiontools-init-timestamplink">00:40, 3 February 2009 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Donald_j_axel-2009-02-03T00:40:00.000Z-Distance_from_Sun"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Donald_j_axel-2009-02-03T00:40:00.000Z-Distance_from_Sun"></span> </pre> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Contact_times" data-mw-thread-id="h-Contact_times-2007-03-05T08:33:00.000Z"><span data-mw-comment-start="" id="h-Contact_times-2007-03-05T08:33:00.000Z"></span>Contact times<span data-mw-comment-end="h-Contact_times-2007-03-05T08:33:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Astronomical_transit&action=edit&section=7" title="Edit section: Contact times"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-B.d.mills-2007-03-05T08:33:00.000Z-Contact_times"></span>The article mentions first, second, third and fourth contact. It should also mention the case of partial transits, where there is no second and third contact. Is that still considered a transit? --<a href="/wiki/User:B.d.mills" title="User:B.d.mills">B.d.mills</a> <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-B.d.mills-2007-03-05T08:33:00.000Z-Contact_times" class="ext-discussiontools-init-timestamplink">08:33, 5 March 2007 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-B.d.mills-2007-03-05T08:33:00.000Z-Contact_times"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-B.d.mills-2007-03-05T08:33:00.000Z-Contact_times"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Transits_of_Earth_from_Ceres_or_Vesta" data-mw-thread-id="h-Transits_of_Earth_from_Ceres_or_Vesta-2007-08-10T00:18:00.000Z"><span data-mw-comment-start="" id="h-Transits_of_Earth_from_Ceres_or_Vesta-2007-08-10T00:18:00.000Z"></span>Transits of Earth from Ceres or Vesta<span data-mw-comment-end="h-Transits_of_Earth_from_Ceres_or_Vesta-2007-08-10T00:18:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Astronomical_transit&action=edit&section=8" title="Edit section: Transits of Earth from Ceres or Vesta"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Luokehao-2007-08-10T00:18:00.000Z-Transits_of_Earth_from_Ceres_or_Vesta"></span>When I first heard of the Earth can pass between the Sun and Mars, I am curious as to how often it passes between the Sun and the largest <a href="/wiki/Asteroid" title="Asteroid">asteroids</a> - <a href="/wiki/Ceres_(dwarf_planet)" title="Ceres (dwarf planet)">Ceres</a> and <a href="/wiki/4_Vesta" title="4 Vesta">4 Vesta</a>. </p><p>Transits of Earth from Ceres (I checked on a website showing asteroid orbits) can occur in June or December. Ceres is closer to aphelion at a June transit. Those from 4 Vesta occur in early January or early July, and I found that the Earth did pass between the Sun and 4 Vesta on 3 January 1937 and 3 July 1960. </p><p>Should I write an article <i>Transit of Earth from Ceres</i> or <i>Transit of Earth from 4 Vesta</i>?? </p><p><a href="/wiki/User:Luokehao" title="User:Luokehao">Luokehao</a> <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Luokehao-2007-08-10T00:18:00.000Z-Transits_of_Earth_from_Ceres_or_Vesta" class="ext-discussiontools-init-timestamplink">00:18, 10 August 2007 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Luokehao-2007-08-10T00:18:00.000Z-Transits_of_Earth_from_Ceres_or_Vesta"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Luokehao-2007-08-10T00:18:00.000Z-Transits_of_Earth_from_Ceres_or_Vesta"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Proper_name?" data-mw-thread-id="h-Proper_name?-2010-02-04T13:32:00.000Z"><span id="Proper_name.3F"></span><span data-mw-comment-start="" id="h-Proper_name?-2010-02-04T13:32:00.000Z"></span>Proper name?<span data-mw-comment-end="h-Proper_name?-2010-02-04T13:32:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Astronomical_transit&action=edit&section=9" title="Edit section: Proper name?"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Fountains_of_Bryn_Mawr-2010-02-04T13:32:00.000Z-Proper_name?"></span>"<i>Astronomical transit</i>" references overwhelmingly as another name for a <a href="/wiki/Meridian_circle" title="Meridian circle">Meridian circle</a><a rel="nofollow" class="external autonumber" href="http://books.google.com/books?q=%22Astronomical+transit%22&btnG=Search+Books">[2]</a>. This articles should probably be moved to "<b>Transit (astronomical)</b>". <a href="/wiki/User:Fountains_of_Bryn_Mawr" title="User:Fountains of Bryn Mawr">Fountains of Bryn Mawr</a> (<a href="/wiki/User_talk:Fountains_of_Bryn_Mawr" title="User talk:Fountains of Bryn Mawr">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Fountains_of_Bryn_Mawr-2010-02-04T13:32:00.000Z-Proper_name?" class="ext-discussiontools-init-timestamplink">13:32, 4 February 2010 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Fountains_of_Bryn_Mawr-2010-02-04T13:32:00.000Z-Proper_name?"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Fountains_of_Bryn_Mawr-2010-02-04T13:32:00.000Z-Proper_name?"></span> </p> <dl><dd><span data-mw-comment-start="" id="c-Sae1962-2011-12-28T18:25:00.000Z-Fountains_of_Bryn_Mawr-2010-02-04T13:32:00.000Z"></span>I propose as a new page name "Transit (astronomy)". <a href="/wiki/User:Sae1962" title="User:Sae1962">Sae1962</a> (<a href="/wiki/User_talk:Sae1962" title="User talk:Sae1962">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Sae1962-2011-12-28T18:25:00.000Z-Fountains_of_Bryn_Mawr-2010-02-04T13:32:00.000Z" class="ext-discussiontools-init-timestamplink">18:25, 28 December 2011 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Sae1962-2011-12-28T18:25:00.000Z-Fountains_of_Bryn_Mawr-2010-02-04T13:32:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Sae1962-2011-12-28T18:25:00.000Z-Fountains_of_Bryn_Mawr-2010-02-04T13:32:00.000Z"></span> <dl><dd><span data-mw-comment-start="" id="c-Drlectin-2012-01-17T12:35:00.000Z-Sae1962-2011-12-28T18:25:00.000Z"></span>Good suggestion <a href="/wiki/User:Drlectin" title="User:Drlectin">Drlectin</a> (<a href="/wiki/User_talk:Drlectin" title="User talk:Drlectin">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Drlectin-2012-01-17T12:35:00.000Z-Sae1962-2011-12-28T18:25:00.000Z" class="ext-discussiontools-init-timestamplink">12:35, 17 January 2012 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Drlectin-2012-01-17T12:35:00.000Z-Sae1962-2011-12-28T18:25:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Drlectin-2012-01-17T12:35:00.000Z-Sae1962-2011-12-28T18:25:00.000Z"></span></dd> <dd><span data-mw-comment-start="" id="c-Tfr000-2012-05-03T14:31:00.000Z-Sae1962-2011-12-28T18:25:00.000Z"></span>Yes, good suggestion. Is anyone planning to to do the move? <a href="/wiki/User:Tfr000" title="User:Tfr000">Tfr000</a> (<a href="/wiki/User_talk:Tfr000" title="User talk:Tfr000">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Tfr000-2012-05-03T14:31:00.000Z-Sae1962-2011-12-28T18:25:00.000Z" class="ext-discussiontools-init-timestamplink">14:31, 3 May 2012 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Tfr000-2012-05-03T14:31:00.000Z-Sae1962-2011-12-28T18:25:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Tfr000-2012-05-03T14:31:00.000Z-Sae1962-2011-12-28T18:25:00.000Z"></span></dd></dl></dd></dl> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Uranus_transits_Neptune" data-mw-thread-id="h-Uranus_transits_Neptune-2012-06-07T17:08:00.000Z"><span data-mw-comment-start="" id="h-Uranus_transits_Neptune-2012-06-07T17:08:00.000Z"></span>Uranus transits Neptune<span data-mw-comment-end="h-Uranus_transits_Neptune-2012-06-07T17:08:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Astronomical_transit&action=edit&section=10" title="Edit section: Uranus transits Neptune"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Globe199-2012-06-07T17:08:00.000Z-Uranus_transits_Neptune"></span>Article says it will happen 01 Dec 40396. What is the source for this? There is no such transit on that date as far as Stellarium is concerned (which admittedly is not the most accurate source). The closest I can get them is around 10 June 40398, but they're still nowhere near a transit. Why is it so difficult to calculate these positions? <a href="/wiki/User:Globe199" class="mw-redirect" title="User:Globe199">Globe199</a> (<a href="/wiki/User_talk:Globe199" class="mw-redirect" title="User talk:Globe199">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Globe199-2012-06-07T17:08:00.000Z-Uranus_transits_Neptune" class="ext-discussiontools-init-timestamplink">17:08, 7 June 2012 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Globe199-2012-06-07T17:08:00.000Z-Uranus_transits_Neptune"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Globe199-2012-06-07T17:08:00.000Z-Uranus_transits_Neptune"></span> </p> <dl><dd><span data-mw-comment-start="" id="c-Kheider-2012-06-07T19:54:00.000Z-Globe199-2012-06-07T17:08:00.000Z"></span>Looking at <a href="/w/index.php?title=Talk:Transit_of_Uranus_from_Neptune&action=edit&redlink=1" class="new" title="Talk:Transit of Uranus from Neptune (page does not exist)">Talk:Transit of Uranus from Neptune</a> it looks like <a rel="nofollow" class="external text" href="http://chemistry.unina.it/~alvitagl/solex/">Solex 9.1</a> gave a year of 38172. -- <a href="/wiki/User:Kheider" title="User:Kheider">Kheider</a> (<a href="/wiki/User_talk:Kheider" title="User talk:Kheider">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Kheider-2012-06-07T19:54:00.000Z-Globe199-2012-06-07T17:08:00.000Z" class="ext-discussiontools-init-timestamplink">19:54, 7 June 2012 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Kheider-2012-06-07T19:54:00.000Z-Globe199-2012-06-07T17:08:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Kheider-2012-06-07T19:54:00.000Z-Globe199-2012-06-07T17:08:00.000Z"></span></dd> <dd><span data-mw-comment-start="" id="c-Tfr000-2012-08-15T11:08:00.000Z-Globe199-2012-06-07T17:08:00.000Z"></span>It is so difficult because we do not have complete information about the exact motions of everything in the solar system. Even if we had very exact descriptions of the motions of Uranus and Neptune, throwing a few small, not-very-well-observed asteroids into the mix would completely change any long-term predictions we tried to make. Long term in this case being more than a few centuries. So predictions 38000 years in the future are pretty rough, and anything like two planets passing across each other at that time is not really possible to predict one way or the other, with the current state of the art. <a href="/wiki/User:Tfr000" title="User:Tfr000">Tfr000</a> (<a href="/wiki/User_talk:Tfr000" title="User talk:Tfr000">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Tfr000-2012-08-15T11:08:00.000Z-Globe199-2012-06-07T17:08:00.000Z" class="ext-discussiontools-init-timestamplink">11:08, 15 August 2012 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Tfr000-2012-08-15T11:08:00.000Z-Globe199-2012-06-07T17:08:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Tfr000-2012-08-15T11:08:00.000Z-Globe199-2012-06-07T17:08:00.000Z"></span> <dl><dd><span data-mw-comment-start="" id="c-Kheider-2012-08-15T12:37:00.000Z-Tfr000-2012-08-15T11:08:00.000Z"></span>Correction. Predictions for the positions of the planets are easily reliable for thousands of years, <i>if</i> you are using a properly written program. It is only the positions of the asteroids that can not be predicted more than a few centuries. The planets are not so easily perturbed. -- <a href="/wiki/User:Kheider" title="User:Kheider">Kheider</a> (<a href="/wiki/User_talk:Kheider" title="User talk:Kheider">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Kheider-2012-08-15T12:37:00.000Z-Tfr000-2012-08-15T11:08:00.000Z" class="ext-discussiontools-init-timestamplink">12:37, 15 August 2012 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Kheider-2012-08-15T12:37:00.000Z-Tfr000-2012-08-15T11:08:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Kheider-2012-08-15T12:37:00.000Z-Tfr000-2012-08-15T11:08:00.000Z"></span></dd> <dd><span data-mw-comment-start="" id="c-Tfr000-2012-08-16T11:14:00.000Z-Tfr000-2012-08-15T11:08:00.000Z"></span>True, the planets are not easily perturbed <i>in real time</i>. Cumulatively, it's not that difficult for them to be moved around in the distant future, easily enough for them to miss an occultation. Here's some reading material <a rel="nofollow" class="external autonumber" href="https://iau-comm4.jpl.nasa.gov/EMSAGF.pdf">[3]</a> <a rel="nofollow" class="external autonumber" href="http://141.74.1.36/documents/publications/tn/tn29/tn29_061.pdf">[4]</a> We just do not have sufficient data to predict accurately 10,000 years out, other than, perhaps, to say two planets will pass close to each other, but we don't know how close. <a href="/wiki/User:Tfr000" title="User:Tfr000">Tfr000</a> (<a href="/wiki/User_talk:Tfr000" title="User talk:Tfr000">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Tfr000-2012-08-16T11:14:00.000Z-Tfr000-2012-08-15T11:08:00.000Z" class="ext-discussiontools-init-timestamplink">11:14, 16 August 2012 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Tfr000-2012-08-16T11:14:00.000Z-Tfr000-2012-08-15T11:08:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Tfr000-2012-08-16T11:14:00.000Z-Tfr000-2012-08-15T11:08:00.000Z"></span> <dl><dd><span data-mw-comment-start="" id="c-Kheider-2012-08-16T11:32:00.000Z-Tfr000-2012-08-16T11:14:00.000Z"></span>My understanding is that planetary transits as seen from Earth are now accurate for up to ±80000 years when using a proper step-size. Your first reference is from 2001 and that is somewhat dated now. -- <a href="/wiki/User:Kheider" title="User:Kheider">Kheider</a> (<a href="/wiki/User_talk:Kheider" title="User talk:Kheider">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Kheider-2012-08-16T11:32:00.000Z-Tfr000-2012-08-16T11:14:00.000Z" class="ext-discussiontools-init-timestamplink">11:32, 16 August 2012 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Kheider-2012-08-16T11:32:00.000Z-Tfr000-2012-08-16T11:14:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Kheider-2012-08-16T11:32:00.000Z-Tfr000-2012-08-16T11:14:00.000Z"></span></dd> <dd><span data-mw-comment-start="" id="c-Tfr000-2012-08-17T11:19:00.000Z-Tfr000-2012-08-16T11:14:00.000Z"></span>It's possible. As far as I currently know, the inaccuracies in asteroid masses described in the articles are still relevant - unless there is a new method of estimating them more accurately that I am unaware of. I'm not in astronomy by profession, so I don't see the most current info as it appears. <a href="/wiki/User:Tfr000" title="User:Tfr000">Tfr000</a> (<a href="/wiki/User_talk:Tfr000" title="User talk:Tfr000">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Tfr000-2012-08-17T11:19:00.000Z-Tfr000-2012-08-16T11:14:00.000Z" class="ext-discussiontools-init-timestamplink">11:19, 17 August 2012 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Tfr000-2012-08-17T11:19:00.000Z-Tfr000-2012-08-16T11:14:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Tfr000-2012-08-17T11:19:00.000Z-Tfr000-2012-08-16T11:14:00.000Z"></span> <dl><dd><span data-mw-comment-start="" id="c-Kheider-2012-08-17T14:29:00.000Z-Tfr000-2012-08-17T11:19:00.000Z"></span>The masses of the big 3 asteroids are better known now than they were 10 years ago. The asteroids perturb Mars more than any of the other planet. Mars has to get notably perturbed by the asteroids before Mars position errors can notably cause errors in the position of Earth. The 4 gas giants are going to be the last planets to worry about small solar system bodies, so a <a rel="nofollow" class="external text" href="http://chemistry.unina.it/~alvitagl/solex/Jusatocc.txt">high-end simulation</a> of Uranus+Neptune in 40000 years should be accurate. -- <a href="/wiki/User:Kheider" title="User:Kheider">Kheider</a> (<a href="/wiki/User_talk:Kheider" title="User talk:Kheider">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Kheider-2012-08-17T14:29:00.000Z-Tfr000-2012-08-17T11:19:00.000Z" class="ext-discussiontools-init-timestamplink">14:29, 17 August 2012 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Kheider-2012-08-17T14:29:00.000Z-Tfr000-2012-08-17T11:19:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Kheider-2012-08-17T14:29:00.000Z-Tfr000-2012-08-17T11:19:00.000Z"></span> <dl><dd><span data-mw-comment-start="" id="c-Tfr000-2012-08-23T11:18:00.000Z-Kheider-2012-08-17T14:29:00.000Z"></span>Here's some more stuff to look at, for anyone following this. <a rel="nofollow" class="external autonumber" href="https://naif.jpl.nasa.gov/pub/naif/generic_kernels/spk/planets/de423_for_mercury_and_venus/de423.iom.pdf">[5]</a> <a rel="nofollow" class="external autonumber" href="ftp://ssd.jpl.nasa.gov/pub/eph/planets/ioms/de421.iom.v1.pdf">[6]</a> In the first paper, note the graphs giving differences in position and uncertainty between DE421 and DE423, for the period 1900 to 2050 (fig 11, 14, 15, 17). Solex version 10 was apparently based on DE421. Note how the position and uncertainty grow substantially over a period of one century for the planets investigated. The planets not involved in the new fits for DE423 almost certainly grow in error by much higher amounts. In fact the first paper mentions <i>For Uranus and Neptune the assessment of older data sets is not as complete as for Pluto so relatively few data have been included. These orbits are reasonably accurate for the current times due to modern astrometry and knowledge from the Voyager encounters. The Uranus and Neptune data sets will be expanded in a future ephemeris.</i> <a href="/wiki/User:Tfr000" title="User:Tfr000">Tfr000</a> (<a href="/wiki/User_talk:Tfr000" title="User talk:Tfr000">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Tfr000-2012-08-23T11:18:00.000Z-Kheider-2012-08-17T14:29:00.000Z" class="ext-discussiontools-init-timestamplink">11:18, 23 August 2012 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Tfr000-2012-08-23T11:18:00.000Z-Kheider-2012-08-17T14:29:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Tfr000-2012-08-23T11:18:00.000Z-Kheider-2012-08-17T14:29:00.000Z"></span></dd> <dd><span data-mw-comment-start="" id="c-Tfr000-2012-08-24T11:14:00.000Z-Kheider-2012-08-17T14:29:00.000Z"></span>I have been looking for information on where Vitagliano got the information that numerically integrated orbits are good for 80,000 years. JPL seldom claims accuracy beyond ±3000 years, and their longest ephemeris was for ±10,000 years, but it was unrealesed - probably special-purpose for some researcher's needs. At the bottom of this <a rel="nofollow" class="external autonumber" href="http://main.chemistry.unina.it/~alvitagl/solex/Ventrans.txt">[7]</a> Vitagliano compares positions of various bodies with and without asteroids to perturb them, giving us a worst case. Unfortunately, he does not give his results to better than 0°.01, which is larger than the expected error. At that level, their is little diffierence in the results, but errors that large could cause the outer planets, with their small disks, to miss each other! Vitagliano's Solex is derived from JPL's ephemerides, thus we can't expect it to be better in accuracy. <a href="/wiki/User:Tfr000" title="User:Tfr000">Tfr000</a> (<a href="/wiki/User_talk:Tfr000" title="User talk:Tfr000">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Tfr000-2012-08-24T11:14:00.000Z-Kheider-2012-08-17T14:29:00.000Z" class="ext-discussiontools-init-timestamplink">11:14, 24 August 2012 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Tfr000-2012-08-24T11:14:00.000Z-Kheider-2012-08-17T14:29:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Tfr000-2012-08-24T11:14:00.000Z-Kheider-2012-08-17T14:29:00.000Z"></span> <dl><dd><dl><dd><span data-mw-comment-start="" id="c-Kheider-2012-08-24T14:00:00.000Z-Tfr000-2012-08-24T11:14:00.000Z"></span>I have not yet read all of the above papers, but as I said earlier that asteroids will have a much larger affect on Mars because Mars is closest to them and Mars is the second least massive planet. Mars is kind of a wimp. For planets outside of both the <a href="/wiki/Asteroid_belt" title="Asteroid belt">asteroid belt</a> and the Sun-Jupiter <a href="/wiki/Barycentric_coordinates_(astronomy)" class="mw-redirect" title="Barycentric coordinates (astronomy)">barycenter</a> of the Solar System, perturbations will be much smaller. Uranus and Neptune will not be so easily perturbed as Mars and Venus. The only questions is how good are the known starting points for Uranus and Neptune given that neither planet has ever had an orbiter? Currently we simply do not know. -- <a href="/wiki/User:Kheider" title="User:Kheider">Kheider</a> (<a href="/wiki/User_talk:Kheider" title="User talk:Kheider">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Kheider-2012-08-24T14:00:00.000Z-Tfr000-2012-08-24T11:14:00.000Z" class="ext-discussiontools-init-timestamplink">14:00, 24 August 2012 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Kheider-2012-08-24T14:00:00.000Z-Tfr000-2012-08-24T11:14:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Kheider-2012-08-24T14:00:00.000Z-Tfr000-2012-08-24T11:14:00.000Z"></span></dd></dl></dd></dl></dd></dl></dd></dl></dd></dl></dd></dl></dd></dl> <p><span data-mw-comment-start="" id="c-Tfr000-2013-05-16T18:17:00.000Z-Uranus_transits_Neptune"></span>Oddly, the Wikilink to <a href="/wiki/Timeline_of_the_far_future#Astronomical_events" title="Timeline of the far future">Timeline_of_the_far_future#Astronomical_events</a> which is included in the brief description of the above event, does not contain any mention of such an event. <a href="/wiki/User:Tfr000" title="User:Tfr000">Tfr000</a> (<a href="/wiki/User_talk:Tfr000" title="User talk:Tfr000">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Tfr000-2013-05-16T18:17:00.000Z-Uranus_transits_Neptune" class="ext-discussiontools-init-timestamplink">18:17, 16 May 2013 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Tfr000-2013-05-16T18:17:00.000Z-Uranus_transits_Neptune"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Tfr000-2013-05-16T18:17:00.000Z-Uranus_transits_Neptune"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Meridian_observation" data-mw-thread-id="h-Meridian_observation-2012-12-07T13:55:00.000Z"><span data-mw-comment-start="" id="h-Meridian_observation-2012-12-07T13:55:00.000Z"></span>Meridian observation<span data-mw-comment-end="h-Meridian_observation-2012-12-07T13:55:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Astronomical_transit&action=edit&section=11" title="Edit section: Meridian observation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Pawyilee-2012-12-07T13:55:00.000Z-Meridian_observation"></span>Meridian observation was a a method of approximating a longitude. currently used on Wikipedia in articles concerned with original estimates of the location of the <a href="/wiki/Pitcairn_Islands" title="Pitcairn Islands">Pitcairn Islands</a>. <a href="/wiki/Edmund_Roberts_(diplomat)" title="Edmund Roberts (diplomat)">Edmund Roberts (diplomat)</a> mentions it in conjunction with <a href="/wiki/Lunar_distance_(navigation)" title="Lunar distance (navigation)">Lunar distance (navigation)</a>. --<a href="/wiki/User:Pawyilee" title="User:Pawyilee">Pawyilee</a> (<a href="/wiki/User_talk:Pawyilee" title="User talk:Pawyilee">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Pawyilee-2012-12-07T13:55:00.000Z-Meridian_observation" class="ext-discussiontools-init-timestamplink">13:55, 7 December 2012 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Pawyilee-2012-12-07T13:55:00.000Z-Meridian_observation"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Pawyilee-2012-12-07T13:55:00.000Z-Meridian_observation"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Requested_move" data-mw-thread-id="h-Requested_move-2013-02-23T14:15:00.000Z"><span data-mw-comment-start="" id="h-Requested_move-2013-02-23T14:15:00.000Z"></span>Requested move<span data-mw-comment-end="h-Requested_move-2013-02-23T14:15:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Astronomical_transit&action=edit&section=12" title="Edit section: Requested move"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><a href="/wiki/Astronomical_transit" title="Astronomical transit"><span data-mw-comment-start="" id="c-Thincat-2013-02-23T14:15:00.000Z-Requested_move"></span>Astronomical transit</a> → <span class="plainlinks"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Transit_(astronomy)&redirect=no">Transit (astronomy)</a></span> – As a result of earlier discussion at <a class="mw-selflink-fragment" href="#Proper_name?">Talk:Astronomical transit#Proper name?</a> there seems consensus. The target is presently a redirect to this article and moving requires admin action. <a href="/wiki/User:Thincat" title="User:Thincat">Thincat</a> (<a href="/wiki/User_talk:Thincat" title="User talk:Thincat">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Thincat-2013-02-23T14:15:00.000Z-Requested_move" class="ext-discussiontools-init-timestamplink">14:15, 23 February 2013 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Thincat-2013-02-23T14:15:00.000Z-Requested_move"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Thincat-2013-02-23T14:15:00.000Z-Requested_move"></span> </p> <ul><li><b><span data-mw-comment-start="" id="c-65.92.180.137-2013-02-23T23:31:00.000Z-Thincat-2013-02-23T14:15:00.000Z"></span>Comment</b> the 2002 version at <span id="transit_(astronomy)"></span><span class="plainlinks nourlexpansion lx"><a href="/wiki/Transit_(astronomy)" class="mw-redirect" title="Transit (astronomy)">Transit (astronomy)</a> (<a href="/wiki/Special:EditPage/transit_(astronomy)" title="Special:EditPage/transit (astronomy)">edit</a> | <a href="/wiki/Talk:Transit_(astronomy)" class="mw-redirect" title="Talk:Transit (astronomy)">talk</a> | <a href="/wiki/Special:PageHistory/transit_(astronomy)" title="Special:PageHistory/transit (astronomy)">history</a><span class="sysop-show"> | <a href="/wiki/Special:ProtectPage/transit_(astronomy)" title="Special:ProtectPage/transit (astronomy)">protect</a> | <a href="/wiki/Special:DeletePage/transit_(astronomy)" title="Special:DeletePage/transit (astronomy)">delete</a></span> | <a class="external text" href="https://en.wikipedia.org/w/index.php?title=Special:WhatLinksHere/transit_(astronomy)&limit=999">links</a> | <a class="external text" href="https://en.wikipedia.org/w/index.php?title=Transit_(astronomy)&action=watch">watch</a> | <a class="external text" href="https://en.wikipedia.org/w/index.php?title=Special:Log&page=transit+%28astronomy%29">logs</a> | <a class="external text" href="https://tools.wmflabs.org/pageviews?pages=transit_(astronomy)&project=en.wikipedia.org">views</a>)</span> should be histmerged onto <span id="astronomical_transit"></span><span class="plainlinks nourlexpansion lx"><a href="/wiki/Astronomical_transit" title="Astronomical transit">Astronomical transit</a> (<a href="/wiki/Special:EditPage/astronomical_transit" title="Special:EditPage/astronomical transit">edit</a> | <a class="mw-selflink selflink">talk</a> | <a href="/wiki/Special:PageHistory/astronomical_transit" title="Special:PageHistory/astronomical transit">history</a><span class="sysop-show"> | <a href="/wiki/Special:ProtectPage/astronomical_transit" title="Special:ProtectPage/astronomical transit">protect</a> | <a href="/wiki/Special:DeletePage/astronomical_transit" title="Special:DeletePage/astronomical transit">delete</a></span> | <a class="external text" href="https://en.wikipedia.org/w/index.php?title=Special:WhatLinksHere/astronomical_transit&limit=999">links</a> | <a class="external text" href="https://en.wikipedia.org/w/index.php?title=Astronomical_transit&action=watch">watch</a> | <a class="external text" href="https://en.wikipedia.org/w/index.php?title=Special:Log&page=astronomical+transit">logs</a> | <a class="external text" href="https://tools.wmflabs.org/pageviews?pages=astronomical_transit&project=en.wikipedia.org">views</a>)</span> (began 2003) -- <a href="/wiki/Special:Contributions/65.92.180.137" title="Special:Contributions/65.92.180.137">65.92.180.137</a> (<a href="/wiki/User_talk:65.92.180.137" title="User talk:65.92.180.137">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-65.92.180.137-2013-02-23T23:31:00.000Z-Thincat-2013-02-23T14:15:00.000Z" class="ext-discussiontools-init-timestamplink">23:31, 23 February 2013 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-65.92.180.137-2013-02-23T23:31:00.000Z-Thincat-2013-02-23T14:15:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-65.92.180.137-2013-02-23T23:31:00.000Z-Thincat-2013-02-23T14:15:00.000Z"></span></li></ul> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="DSCOVR_transit_of_Earth_by_the_Moon" data-mw-thread-id="h-DSCOVR_transit_of_Earth_by_the_Moon-2015-08-06T12:36:00.000Z"><span data-mw-comment-start="" id="h-DSCOVR_transit_of_Earth_by_the_Moon-2015-08-06T12:36:00.000Z"></span>DSCOVR transit of Earth by the Moon<span data-mw-comment-end="h-DSCOVR_transit_of_Earth_by_the_Moon-2015-08-06T12:36:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Astronomical_transit&action=edit&section=13" title="Edit section: DSCOVR transit of Earth by the Moon"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <span data-mw-comment-start="" id="c-Kitch-2015-08-06T12:36:00.000Z-DSCOVR_transit_of_Earth_by_the_Moon"></span><figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Dscovrepicmoontransitfull.gif" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/50/Dscovrepicmoontransitfull.gif/300px-Dscovrepicmoontransitfull.gif" decoding="async" width="300" height="300" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/50/Dscovrepicmoontransitfull.gif/450px-Dscovrepicmoontransitfull.gif 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/50/Dscovrepicmoontransitfull.gif/600px-Dscovrepicmoontransitfull.gif 2x" data-file-width="1080" data-file-height="1080"/></a><figcaption>The <a href="/wiki/Deep_Space_Climate_Observatory" title="Deep Space Climate Observatory">Deep Space Climate Observatory</a> photographed a <a href="/wiki/Transit_(astronomy)" class="mw-redirect" title="Transit (astronomy)">transit</a> of Earth by the <a href="/wiki/Moon" title="Moon">Moon</a> on July 16, 2015.</figcaption></figure> <p>Any chance we could be able to fit in the recent transit of Earth by the Moon observed by DSCOVR? --<a href="/wiki/User:Kitch" class="mw-redirect" title="User:Kitch">Kitch</a> <sup>(<a href="/wiki/User_talk:Kitch" class="mw-redirect" title="User talk:Kitch">Talk</a> : <a href="/wiki/Special:Contributions/Kitch" title="Special:Contributions/Kitch">Contrib</a>)</sup> <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Kitch-2015-08-06T12:36:00.000Z-DSCOVR_transit_of_Earth_by_the_Moon" class="ext-discussiontools-init-timestamplink">12:36, 6 August 2015 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Kitch-2015-08-06T12:36:00.000Z-DSCOVR_transit_of_Earth_by_the_Moon"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Kitch-2015-08-06T12:36:00.000Z-DSCOVR_transit_of_Earth_by_the_Moon"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Pages_for_transiting_inner_planets_transting_the_Sun" data-mw-thread-id="h-Pages_for_transiting_inner_planets_transting_the_Sun-2016-05-09T17:34:00.000Z"><span data-mw-comment-start="" id="h-Pages_for_transiting_inner_planets_transting_the_Sun-2016-05-09T17:34:00.000Z"></span>Pages for transiting inner planets transting the Sun<span data-mw-comment-end="h-Pages_for_transiting_inner_planets_transting_the_Sun-2016-05-09T17:34:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Astronomical_transit&action=edit&section=14" title="Edit section: Pages for transiting inner planets transting the Sun"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Skatebiker-2016-05-09T17:34:00.000Z-Pages_for_transiting_inner_planets_transting_the_Sun"></span>In the past, there were pages depicting planetary transits across the Sun seen from other planets of our Solar System e.g. transits from Jupiter from Saturn, Saturn from Uranus, Now they are all gone, except Mercury from Mars. Why are they gone ? <a href="/wiki/User:Skatebiker" title="User:Skatebiker">S k a t e b i k e r</a> (<a href="/wiki/User_talk:Skatebiker" title="User talk:Skatebiker">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Astronomical_transit#c-Skatebiker-2016-05-09T17:34:00.000Z-Pages_for_transiting_inner_planets_transting_the_Sun" class="ext-discussiontools-init-timestamplink">17:34, 9 May 2016 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Skatebiker-2016-05-09T17:34:00.000Z-Pages_for_transiting_inner_planets_transting_the_Sun"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Skatebiker-2016-05-09T17:34:00.000Z-Pages_for_transiting_inner_planets_transting_the_Sun"></span> </p>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Talk:Astronomical_transit&oldid=1204619223">https://en.wikipedia.org/w/index.php?title=Talk:Astronomical_transit&oldid=1204619223</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Start-Class_level-5_vital_articles" title="Category:Start-Class level-5 vital articles">Start-Class level-5 vital articles</a></li><li><a href="/wiki/Category:Wikipedia_level-5_vital_articles_in_Physical_sciences" title="Category:Wikipedia level-5 vital articles in Physical sciences">Wikipedia level-5 vital articles in Physical sciences</a></li><li><a href="/wiki/Category:Start-Class_vital_articles_in_Physical_sciences" title="Category:Start-Class vital articles in Physical sciences">Start-Class vital articles in Physical sciences</a></li><li><a href="/wiki/Category:Start-Class_Astronomy_articles" title="Category:Start-Class Astronomy articles">Start-Class Astronomy articles</a></li><li><a href="/wiki/Category:Low-importance_Astronomy_articles" title="Category:Low-importance Astronomy articles">Low-importance Astronomy articles</a></li><li><a href="/wiki/Category:Start-Class_Astronomy_articles_of_Low-importance" title="Category:Start-Class Astronomy articles of Low-importance">Start-Class Astronomy articles of Low-importance</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden category: <ul><li><a href="/wiki/Category:All_Wikipedia_vital_articles" title="Category:All Wikipedia vital articles">All Wikipedia vital articles</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 7 February 2024, at 12:57<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. 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