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<!DOCTYPE html> <html class="client-nojs" lang="en" dir="ltr"> <head> <meta charset="UTF-8"/> <title>Category:Astronomy Workgroup - Citizendium</title> <script>document.documentElement.className="client-js";RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":["",""],"wgDigitTransformTable":["",""],"wgDefaultDateFormat":"dmy","wgMonthNames":["","January","February","March","April","May","June","July","August","September","October","November","December"],"wgRequestId":"85bdf7b13b59f0689e95df6a","wgCSPNonce":false,"wgCanonicalNamespace":"Category","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":14,"wgPageName":"Category:Astronomy_Workgroup","wgTitle":"Astronomy Workgroup","wgCurRevisionId":892389,"wgRevisionId":892389,"wgArticleId":9701,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Citizendium Workgroups","Subpages Workgroup Categories"],"wgPageContentLanguage":"en","wgPageContentModel":"wikitext","wgRelevantPageName":"Category:Astronomy_Workgroup","wgRelevantArticleId":9701,"wgIsProbablyEditable":false,"wgRelevantPageIsProbablyEditable":false,"wgRestrictionEdit":[] ,"wgRestrictionMove":[],"wgPageFormsTargetName":null,"wgPageFormsAutocompleteValues":[],"wgPageFormsAutocompleteOnAllChars":false,"wgPageFormsFieldProperties":[],"wgPageFormsCargoFields":[],"wgPageFormsDependentFields":[],"wgPageFormsCalendarValues":[],"wgPageFormsCalendarParams":[],"wgPageFormsCalendarHTML":null,"wgPageFormsGridValues":[],"wgPageFormsGridParams":[],"wgPageFormsContLangYes":null,"wgPageFormsContLangNo":null,"wgPageFormsContLangMonths":[],"wgPageFormsHeightForMinimizingInstances":800,"wgPageFormsShowOnSelect":[],"wgPageFormsScriptPath":"/wiki/extensions/PageForms","edgValues":null,"wgPageFormsEDSettings":null,"wgAmericanDates":false,"wgVector2022PreviewPages":[],"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":4};RLSTATE={"site.styles":"ready","user.styles":"ready","user":"ready","user.options":"loading","mediawiki.action.styles":"ready","mediawiki.helplink":"ready","skins.vector.styles.legacy":"ready"};RLPAGEMODULES=["site", "mediawiki.page.ready","skins.vector.legacy.js","mmv.head","mmv.bootstrap.autostart","ext.gadget.charinsert","ext.popups"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.implement("user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"});});});</script> <link rel="stylesheet" href="/wiki/load.php?lang=en&modules=mediawiki.action.styles%7Cmediawiki.helplink%7Cskins.vector.styles.legacy&only=styles&skin=vector"/> <script async="" src="/wiki/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector"></script> <meta name="ResourceLoaderDynamicStyles" content=""/> <link rel="stylesheet" href="/wiki/load.php?lang=en&modules=site.styles&only=styles&skin=vector"/> <meta name="generator" content="MediaWiki 1.39.5"/> <meta name="format-detection" content="telephone=no"/> <meta name="viewport" content="width=1000"/> <link rel="icon" href="/images/favicon1.ico"/> <link rel="search" type="application/opensearchdescription+xml" href="/wiki/opensearch_desc.php" title="Citizendium"/> <link rel="EditURI" type="application/rsd+xml" href="https://citizendium.org/wiki/api.php?action=rsd"/> <link rel="license" href="https://creativecommons.org/licenses/by-nc-sa/4.0/"/> <link rel="alternate" type="application/atom+xml" title="Citizendium Atom feed" href="/wiki/index.php?title=Special:RecentChanges&feed=atom"/> <script async src="https://www.googletagmanager.com/gtag/js?id=G-W7ML9SNPXT"></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-W7ML9SNPXT'); </script> </head> <body class="mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-14 ns-subject page-Category_Astronomy_Workgroup rootpage-Category_Astronomy_Workgroup skin-vector action-view skin-vector-legacy vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-language-alert-in-sidebar-disabled vector-feature-sticky-header-disabled vector-feature-sticky-header-edit-disabled vector-feature-table-of-contents-disabled vector-feature-visual-enhancement-next-disabled"><div id="mw-page-base" class="noprint"></div> <div id="mw-head-base" class="noprint"></div> <div id="content" class="mw-body" role="main"> <a id="top"></a> <div id="siteNotice"></div> <div class="mw-indicators"> <div id="mw-indicator-mw-helplink" class="mw-indicator"><a href="https://www.mediawiki.org/wiki/Special:MyLanguage/Help:Categories" target="_blank" class="mw-helplink">Help</a></div> </div> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-namespace">Category</span><span class="mw-page-title-separator">:</span><span class="mw-page-title-main">Astronomy Workgroup</span></h1> <div id="bodyContent" class="vector-body"> <div id="siteSub" class="noprint">From Citizendium</div> <div id="contentSub"></div> <div id="contentSub2"></div> <div id="jump-to-nav"></div> <a class="mw-jump-link" href="#mw-head">Jump to navigation</a> <a class="mw-jump-link" href="#searchInput">Jump to search</a> <div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="en" dir="ltr"><div class="mw-parser-output"><table align="center" style="width:60%; border: solid 3px #7d3c98; background: #ffffff; padding: 5px;"> <tbody><tr> <td> </td> <td><center> <p><a href="/wiki/CZ:Workgroups" title="CZ:Workgroups">Workgroups</a> are no longer used for group communications, but they still are used to group articles into fields of interest. Each article is assigned to 1-3 Workgroups via the article's <a href="/wiki/CZ:Article_structure#Metadata" title="CZ:Article structure">Metadata</a>. </p> </center> </td> <td> </td></tr></tbody></table> <table width="100%" border="1" style="margin:1em 0; text-align:left; vertical-align:middle; border:1px solid #555; border-collapse:collapse; cell-padding:0; line-height:2em;"> <tbody><tr> <td colspan="8" align="center" style="background:#ADD8E6"> <table align="left" border="0" cellpadding="1" cellspacing="0"> <tbody><tr> <td><div style="position:relative; width:20px; height:20px; overflow:hidden;"><div style="position:absolute; font-size:20px; overflow:hidden; line-height:20px; letter-spacing:20px;"><a href="/wiki/CZ:Workgroups#Natural_Sciences" title="CZ:Workgroups"><span title="CZ:Workgroups#Natural_Sciences" style="text-decoration:none;">   </span></a></div><a href="/wiki/File:Natural_science_button.png" class="image" title="CZ:Workgroups#Natural_Sciences"><img alt="CZ:Workgroups#Natural_Sciences" src="/wiki/images/thumb/0/0f/Natural_science_button.png/20px-Natural_science_button.png" decoding="async" width="20" height="20" srcset="/wiki/images/thumb/0/0f/Natural_science_button.png/30px-Natural_science_button.png 1.5x, /wiki/images/thumb/0/0f/Natural_science_button.png/40px-Natural_science_button.png 2x" data-file-width="100" data-file-height="100" /></a></div> </td></tr></tbody></table><i><b><a href="/wiki/CZ:Astronomy_Workgroup" title="CZ:Astronomy Workgroup">Astronomy Workgroup</a></b></i> </td></tr> <tr> <td rowspan="3" align="center" style="background:lightgrey"><a href="/wiki/Astronomy" title="Astronomy">Astronomy article</a> </td> <td align="center"><a class="mw-selflink selflink">All articles</a> <small>(388)</small> </td> <td align="center"><a href="/wiki/Category:Astronomy_to_Approve" title="Category:Astronomy to Approve">To Approve</a> <small>(0)</small> </td> <td rowspan="3" align="center">Editors: <a href="/wiki/Category:Astronomy_Editors" title="Category:Astronomy Editors">active</a> <small>(0)</small> / <a href="/wiki/Category:Inactive_Astronomy_Editors" title="Category:Inactive Astronomy Editors">inactive</a> <small>(9)</small> <br />and<br />Authors: <a href="/wiki/Category:Astronomy_Authors" title="Category:Astronomy Authors">active</a> <small>(108)</small> / <a href="/wiki/Category:Inactive_Astronomy_Authors" title="Category:Inactive Astronomy Authors">inactive</a> <small>(0)</small> </td> <td rowspan="3" align="center" style="background:lightgrey"><a href="/wiki/CZ_Talk:Astronomy_Workgroup" title="CZ Talk:Astronomy Workgroup"> Workgroup Discussion</a> </td></tr> <tr> <td rowspan="2" align="center" style="background:lightgrey"><span class="plainlinks"><small><a href="/wiki/Special:RecentChanges" title="Special:RecentChanges">Recent changes</a></small></span> </td> <td align="center"><a href="/wiki/Category:Astronomy_Citable_Version_Subpages" title="Category:Astronomy Citable Version Subpages">Citable Articles</a> (0) </td></tr> <tr> <td align="center"><a href="/wiki/Category:Astronomy_Affiliated_Subgroups" title="Category:Astronomy Affiliated Subgroups">Subgroups</a> <small>(0)</small> </td></tr> </tbody></table><table> <tbody><tr> <td> </td> <td colspan="8"><small><b><a href="/wiki/CZ:The_Article_Checklist" title="CZ:The Article Checklist">Checklist</a>-generated categories:</b> <ul> <li><a href="/wiki/Category:Astronomy_Underlinked_Articles" title="Category:Astronomy Underlinked Articles">Underlinked</a> (90)</li> <li><a href="/wiki/Category:Astronomy_Category_Check" title="Category:Astronomy Category Check">Cat Check</a> (90)</li> <li><a href="/wiki/Category:Astronomy_Cleanup" title="Category:Astronomy Cleanup">Cleanup</a> (0)</li> </ul> <p><b><a href="/wiki/CZ:Subpages" title="CZ:Subpages">Subpage</a> categories:</b> </p> <ul> <li><a href="/wiki/Category:Astronomy_Definition_Subpages" title="Category:Astronomy Definition Subpages">Definitions</a> (377)</li> <li><a href="/wiki/Category:Astronomy_Related_Article_Subpages" title="Category:Astronomy Related Article Subpages">Related Articles</a> (366</li> <li><a href="/wiki/Category:Astronomy_Bot-created_Related_Articles_subpages" title="Category:Astronomy Bot-created Related Articles subpages">to check</a> 277)</li> <li><a href="/wiki/Category:Astronomy_Bibliographies" title="Category:Astronomy Bibliographies">Bibliography</a> (37)</li> <li><a href="/wiki/Category:Astronomy_External_Link_Subpages" title="Category:Astronomy External Link Subpages">External Links</a> (56)</li> <li><a href="/wiki/Category:Astronomy_Galleries" title="Category:Astronomy Galleries">Gallery</a> (3)</li> <li><a href="/wiki/Category:Astronomy_Video_Subpages" title="Category:Astronomy Video Subpages">Video</a> (5) </li> </ul> </small></td> <td> <p><b>Missing subpage categories:</b> </p> <ul> <li><a href="/wiki/Category:Astronomy_need_def" title="Category:Astronomy need def">Definitions</a> (5)</li> <li><a href="/wiki/Category:Astronomy_need_rel" title="Category:Astronomy need rel">Related Articles</a> (2)</li> <li><a href="/wiki/Category:Astronomy_need_bib" title="Category:Astronomy need bib">Bibliography</a> (5)</li> <li><a href="/wiki/Category:Astronomy_need_ext" title="Category:Astronomy need ext">External Links</a> (5)</li> </ul> <p><b>Article statuses:</b> </p> <ul> <li><a href="/wiki/Category:Astronomy_Developed_Articles" title="Category:Astronomy Developed Articles">13 Developed</a> (status=1)</li> <li><a href="/wiki/Category:Astronomy_Developing_Articles" title="Category:Astronomy Developing Articles">111 Developing</a> (status=2)</li> <li><a href="/wiki/Category:Astronomy_Stub_Articles" title="Category:Astronomy Stub Articles">255 Stub</a> (status=3)</li> <li><a href="/wiki/Category:Astronomy_External_Articles" title="Category:Astronomy External Articles">10 External</a> (status=4)</li> <li><a href="/wiki/Category:Astronomy_Advanced_Articles" title="Category:Astronomy Advanced Articles">13 Advanced</a> (status 0-1)</li> <li><a href="/wiki/Category:Astronomy_Nonstub_Articles" title="Category:Astronomy Nonstub Articles">124 Nonstub</a> (status 0-2)</li> <li><a href="/wiki/Category:Astronomy_Internal_Articles" title="Category:Astronomy Internal Articles">379 Internal</a> (status 0-3)</li> </ul> </td></tr></tbody></table> <p>Below is a listing of articles within the scope of the <a href="/wiki/CZ:Astronomy_Workgroup" title="CZ:Astronomy Workgroup">Astronomy Workgroup</a>. </p><p><br /> </p> <table id="toc" class="toc plainlinks plainlinksneverexpand" summary="Contents"> <tbody><tr> <th>Contents: </th> <td><a rel="nofollow" class="external text" href="https://citizendium.org/wiki/Category:Astronomy_Workgroup">Top</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=0">0-9</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=A">A</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=B">B</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=C">C</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=D">D</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=E">E</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=F">F</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=G">G</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=H">H</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=I">I</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=J">J</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=K">K</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=L">L</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=M">M</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=N">N</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=O">O</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=P">P</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=Q">Q</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=R">R</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=S">S</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=T">T</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=U">U</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=V">V</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=W">W</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=X">X</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=Y">Y</a> <a rel="nofollow" class="external text" href="https://citizendium.org/wiki/index.php?title=Category:Astronomy_Workgroup&from=Z">Z</a> </td></tr></tbody></table>  </div><div class="mw-category-generated" lang="en" dir="ltr"><div id="mw-pages"> <h2>Pages in category "Astronomy Workgroup"</h2> <p>The following 200 pages are in this category, out of 388 total. </p>(previous page) (<a href="/wiki/index.php?title=Category:Astronomy_Workgroup&pagefrom=NGC+3379%0ANGC+3379#mw-pages" title="Category:Astronomy Workgroup">next page</a>)<div lang="en" dir="ltr" class="mw-content-ltr"><div class="mw-category mw-category-columns"><div class="mw-category-group"><h3>2</h3> <ul><li><a href="/wiki/2012_doomsday_prophecy" title="2012 doomsday prophecy">2012 doomsday prophecy</a></li> <li><a href="/wiki/2022_EB5" title="2022 EB5">2022 EB5</a></li></ul></div><div class="mw-category-group"><h3>A</h3> <ul><li><a href="/wiki/Algenib" title="Algenib">Algenib</a></li> <li><a href="/wiki/Almagest" title="Almagest">Almagest</a></li> <li><a href="/wiki/Alphard" title="Alphard">Alphard</a></li> <li><a href="/wiki/Andromeda_(constellation)" title="Andromeda (constellation)">Andromeda (constellation)</a></li> <li><a href="/wiki/Andromeda_Galaxy" title="Andromeda Galaxy">Andromeda Galaxy</a></li> <li><a href="/wiki/Alpha_Andromedae" title="Alpha Andromedae">Alpha Andromedae</a></li> <li><a href="/wiki/Beta_Andromedae" title="Beta Andromedae">Beta Andromedae</a></li> <li><a href="/wiki/Gamma_Andromedae" title="Gamma Andromedae">Gamma Andromedae</a></li> <li><a href="/wiki/Antares" title="Antares">Antares</a></li> <li><a href="/wiki/Antikythera" title="Antikythera">Antikythera</a></li> <li><a href="/wiki/Antlia" title="Antlia">Antlia</a></li> <li><a href="/wiki/Apollo_13_(mission)" title="Apollo 13 (mission)">Apollo 13 (mission)</a></li> <li><a href="/wiki/Apus" title="Apus">Apus</a></li> <li><a href="/wiki/Alpha_Aquarii" title="Alpha Aquarii">Alpha Aquarii</a></li> <li><a href="/wiki/Beta_Aquarii" title="Beta Aquarii">Beta Aquarii</a></li> <li><a href="/wiki/Delta_Aquarii" title="Delta Aquarii">Delta Aquarii</a></li> <li><a href="/wiki/Epsilon_Aquarii" title="Epsilon Aquarii">Epsilon Aquarii</a></li> <li><a href="/wiki/Gamma_Aquarii" title="Gamma Aquarii">Gamma Aquarii</a></li> <li><a href="/wiki/Aquarius" title="Aquarius">Aquarius</a></li> <li><a href="/wiki/Aquila" title="Aquila">Aquila</a></li> <li><a href="/wiki/Ara" title="Ara">Ara</a></li> <li><a href="/wiki/Arcturus_(star)" title="Arcturus (star)">Arcturus (star)</a></li> <li><a href="/wiki/Aries" title="Aries">Aries</a></li> <li><a href="/wiki/Asteroid" title="Asteroid">Asteroid</a></li> <li><a href="/wiki/Astronomical_Unit" title="Astronomical Unit">Astronomical Unit</a></li> <li><a href="/wiki/Astronomy" title="Astronomy">Astronomy</a></li> <li><a href="/wiki/History_of_astronomy" title="History of astronomy">History of astronomy</a></li> <li><a href="/wiki/Astrophysics" title="Astrophysics">Astrophysics</a></li> <li><a href="/wiki/Atmosphere" title="Atmosphere">Atmosphere</a></li> <li><a href="/wiki/Atmospheric_reentry" title="Atmospheric reentry">Atmospheric reentry</a></li> <li><a href="/wiki/Auriga" title="Auriga">Auriga</a></li> <li><a href="/wiki/Aurora_(astronomy)" title="Aurora (astronomy)">Aurora (astronomy)</a></li></ul></div><div class="mw-category-group"><h3>B</h3> <ul><li><a href="/wiki/Big_Bang" title="Big Bang">Big Bang</a></li> <li><a href="/wiki/Biot%E2%80%93Savart_law" title="Biot–Savart law">Biot–Savart law</a></li> <li><a href="/wiki/Bo%C3%B6tes" title="Boötes">Boötes</a></li> <li><a href="/wiki/Tycho_Brahe" title="Tycho Brahe">Tycho Brahe</a></li></ul></div><div class="mw-category-group"><h3>C</h3> <ul><li><a href="/wiki/Caelum" title="Caelum">Caelum</a></li> <li><a href="/wiki/Calendar" title="Calendar">Calendar</a></li> <li><a href="/wiki/Calendrics" title="Calendrics">Calendrics</a></li> <li><a href="/wiki/Camelopardalis" title="Camelopardalis">Camelopardalis</a></li> <li><a href="/wiki/Cancer_(constellation)" title="Cancer (constellation)">Cancer (constellation)</a></li> <li><a href="/wiki/Canes_Venatici" title="Canes Venatici">Canes Venatici</a></li> <li><a href="/wiki/Canis_Major" title="Canis Major">Canis Major</a></li> <li><a href="/wiki/Canis_Minor" title="Canis Minor">Canis Minor</a></li> <li><a href="/wiki/Capricornus" title="Capricornus">Capricornus</a></li> <li><a href="/wiki/Carina" title="Carina">Carina</a></li> <li><a href="/wiki/Cassiopeia" title="Cassiopeia">Cassiopeia</a></li> <li><a href="/wiki/Centaurus" title="Centaurus">Centaurus</a></li> <li><a href="/wiki/Cepheus" title="Cepheus">Cepheus</a></li> <li><a href="/wiki/Ceres_(dwarf_planet)" title="Ceres (dwarf planet)">Ceres (dwarf planet)</a></li> <li><a href="/wiki/Cetus" title="Cetus">Cetus</a></li> <li><a href="/wiki/Chamaeleon" title="Chamaeleon">Chamaeleon</a></li> <li><a href="/wiki/Chapman_(crater)" title="Chapman (crater)">Chapman (crater)</a></li> <li><a href="/wiki/Charge-coupled_device" title="Charge-coupled device">Charge-coupled device</a></li> <li><a href="/wiki/Circinus" title="Circinus">Circinus</a></li> <li><a href="/wiki/Clairaut%27s_theorem" title="Clairaut's theorem">Clairaut's theorem</a></li> <li><a href="/wiki/Gerald_Clemence" title="Gerald Clemence">Gerald Clemence</a></li> <li><a href="/wiki/COBE_(astronomy)" title="COBE (astronomy)">COBE (astronomy)</a></li> <li><a href="/wiki/Columba" title="Columba">Columba</a></li> <li><a href="/wiki/Coma_Berenices" title="Coma Berenices">Coma Berenices</a></li> <li><a href="/wiki/Comet" title="Comet">Comet</a></li> <li><a href="/wiki/Comit%C3%A9_International_des_Poids_et_Mesures" title="Comité International des Poids et Mesures">Comité International des Poids et Mesures</a></li> <li><a href="/wiki/Conjunction_(astronomy)" title="Conjunction (astronomy)">Conjunction (astronomy)</a></li> <li><a href="/wiki/Constellation" title="Constellation">Constellation</a></li> <li><a href="/wiki/Chinese_constellation" title="Chinese constellation">Chinese constellation</a></li> <li><a href="/wiki/Coordinated_Universal_Time" title="Coordinated Universal Time">Coordinated Universal Time</a></li> <li><a href="/wiki/Coordinates" title="Coordinates">Coordinates</a></li> <li><a href="/wiki/Copernican_revolution" title="Copernican revolution">Copernican revolution</a></li> <li><a href="/wiki/Copernican_revolution_(book)" title="Copernican revolution (book)">Copernican revolution (book)</a></li> <li><a href="/wiki/Copernicus_-_Orbiting_Astronomical_Observatory-3" title="Copernicus - Orbiting Astronomical Observatory-3">Copernicus - Orbiting Astronomical Observatory-3</a></li> <li><a href="/wiki/Nicolaus_Copernicus" title="Nicolaus Copernicus">Nicolaus Copernicus</a></li> <li><a href="/wiki/Corona_Australis" title="Corona Australis">Corona Australis</a></li> <li><a href="/wiki/Corona_Borealis" title="Corona Borealis">Corona Borealis</a></li> <li><a href="/wiki/Corvus" title="Corvus">Corvus</a></li> <li><a href="/wiki/Cosmic_inflation" title="Cosmic inflation">Cosmic inflation</a></li> <li><a href="/wiki/Cosmology" title="Cosmology">Cosmology</a></li> <li><a href="/wiki/Crab_Nebula" title="Crab Nebula">Crab Nebula</a></li> <li><a href="/wiki/Crater_(constellation)" title="Crater (constellation)">Crater (constellation)</a></li> <li><a href="/wiki/Crux" title="Crux">Crux</a></li> <li><a href="/wiki/Cygnus" title="Cygnus">Cygnus</a></li></ul></div><div class="mw-category-group"><h3>D</h3> <ul><li><a href="/wiki/Day" title="Day">Day</a></li> <li><a href="/wiki/Declination" title="Declination">Declination</a></li> <li><a href="/wiki/Delphinus" title="Delphinus">Delphinus</a></li> <li><a href="/wiki/Didymos" title="Didymos">Didymos</a></li> <li><a href="/wiki/Dimorphos" title="Dimorphos">Dimorphos</a></li> <li><a href="/wiki/Doppler_effect" title="Doppler effect">Doppler effect</a></li> <li><a href="/wiki/Dorado" title="Dorado">Dorado</a></li> <li><a href="/wiki/Draco_(constellation)" title="Draco (constellation)">Draco (constellation)</a></li> <li><a href="/wiki/Dwarf_planet" title="Dwarf planet">Dwarf planet</a></li></ul></div><div class="mw-category-group"><h3>E</h3> <ul><li><a href="/wiki/Earendel" title="Earendel">Earendel</a></li> <li><a href="/wiki/Ecliptic" title="Ecliptic">Ecliptic</a></li> <li><a href="/wiki/Enceladus" title="Enceladus">Enceladus</a></li> <li><a href="/wiki/Epagomenal_day" title="Epagomenal day">Epagomenal day</a></li> <li><a href="/wiki/Equator" title="Equator">Equator</a></li> <li><a href="/wiki/Equuleus" title="Equuleus">Equuleus</a></li> <li><a href="/wiki/Eridanus" title="Eridanus">Eridanus</a></li> <li><a href="/wiki/Event_horizon" title="Event horizon">Event horizon</a></li> <li><a href="/wiki/Extraterrestrial_intelligence" title="Extraterrestrial intelligence">Extraterrestrial intelligence</a></li></ul></div><div class="mw-category-group"><h3>F</h3> <ul><li><a href="/wiki/Fornax" title="Fornax">Fornax</a></li> <li><a href="/wiki/Foucault_pendulum" title="Foucault pendulum">Foucault pendulum</a></li> <li><a href="/wiki/Frame_of_reference_(physics)" title="Frame of reference (physics)">Frame of reference (physics)</a></li></ul></div><div class="mw-category-group"><h3>G</h3> <ul><li><a href="/wiki/Galaxy_(astronomy)" title="Galaxy (astronomy)">Galaxy (astronomy)</a></li> <li><a href="/wiki/Galaxy_rotation_curve" title="Galaxy rotation curve">Galaxy rotation curve</a></li> <li><a href="/wiki/Galileo_Galilei" title="Galileo Galilei">Galileo Galilei</a></li> <li><a href="/wiki/Galileo_probe" title="Galileo probe">Galileo probe</a></li> <li><a href="/wiki/Gemini" title="Gemini">Gemini</a></li> <li><a href="/wiki/General_theory_of_relativity" title="General theory of relativity">General theory of relativity</a></li> <li><a href="/wiki/Genesis_probe" title="Genesis probe">Genesis probe</a></li> <li><a href="/wiki/Globular_cluster" title="Globular cluster">Globular cluster</a></li> <li><a href="/wiki/Grus" title="Grus">Grus</a></li></ul></div><div class="mw-category-group"><h3>H</h3> <ul><li><a href="/wiki/Hercules_(constellation)" title="Hercules (constellation)">Hercules (constellation)</a></li> <li><a href="/wiki/Hopkins_Ultraviolet_Telescope" title="Hopkins Ultraviolet Telescope">Hopkins Ultraviolet Telescope</a></li> <li><a href="/wiki/Horologium" title="Horologium">Horologium</a></li> <li><a href="/wiki/Fred_Hoyle" title="Fred Hoyle">Fred Hoyle</a></li> <li><a href="/wiki/Hubble_Space_Telescope" title="Hubble Space Telescope">Hubble Space Telescope</a></li> <li><a href="/wiki/Edwin_Powell_Hubble" title="Edwin Powell Hubble">Edwin Powell Hubble</a></li> <li><a href="/wiki/Hycean_world" title="Hycean world">Hycean world</a></li> <li><a href="/wiki/Hydra_(constellation)" title="Hydra (constellation)">Hydra (constellation)</a></li> <li><a href="/wiki/Hydrus" title="Hydrus">Hydrus</a></li></ul></div><div class="mw-category-group"><h3>I</h3> <ul><li><a href="/wiki/Icarus_(star)" title="Icarus (star)">Icarus (star)</a></li> <li><a href="/wiki/Indus" title="Indus">Indus</a></li> <li><a href="/wiki/Inertial_frame_of_reference" title="Inertial frame of reference">Inertial frame of reference</a></li> <li><a href="/wiki/International_Astronomical_Union" title="International Astronomical Union">International Astronomical Union</a></li> <li><a href="/wiki/International_Olympiad_of_Astronomy_and_Astrophysics" title="International Olympiad of Astronomy and Astrophysics">International Olympiad of Astronomy and Astrophysics</a></li> <li><a href="/wiki/International_Space_Station" title="International Space Station">International Space Station</a></li> <li><a href="/wiki/International_Ultraviolet_Explorer" title="International Ultraviolet Explorer">International Ultraviolet Explorer</a></li> <li><a href="/wiki/Interstellar_matter" title="Interstellar matter">Interstellar matter</a></li></ul></div><div class="mw-category-group"><h3>J</h3> <ul><li><a href="/wiki/Jupiter_(planet)" title="Jupiter (planet)">Jupiter (planet)</a></li></ul></div><div class="mw-category-group"><h3>K</h3> <ul><li><a href="/wiki/Jacobus_Kapteyn" title="Jacobus Kapteyn">Jacobus Kapteyn</a></li> <li><a href="/wiki/Kepler%27s_laws" title="Kepler's laws">Kepler's laws</a></li> <li><a href="/wiki/Johannes_Kepler" title="Johannes Kepler">Johannes Kepler</a></li> <li><a href="/wiki/Omar_Khayyam" title="Omar Khayyam">Omar Khayyam</a></li> <li><a href="/wiki/Kuiper_belt" title="Kuiper belt">Kuiper belt</a></li></ul></div><div class="mw-category-group"><h3>L</h3> <ul><li><a href="/wiki/L5_Society" title="L5 Society">L5 Society</a></li> <li><a href="/wiki/Charles_Marie_de_La_Condamine" title="Charles Marie de La Condamine">Charles Marie de La Condamine</a></li> <li><a href="/wiki/Lacerta" title="Lacerta">Lacerta</a></li> <li><a href="/wiki/Leo" title="Leo">Leo</a></li> <li><a href="/wiki/Leo_Minor" title="Leo Minor">Leo Minor</a></li> <li><a href="/wiki/Lepus" title="Lepus">Lepus</a></li> <li><a href="/wiki/Libra" title="Libra">Libra</a></li> <li><a href="/wiki/Light_day" title="Light day">Light day</a></li> <li><a href="/wiki/Light_hour" title="Light hour">Light hour</a></li> <li><a href="/wiki/Light_minute" title="Light minute">Light minute</a></li> <li><a href="/wiki/Light_month" title="Light month">Light month</a></li> <li><a href="/wiki/Light_second" title="Light second">Light second</a></li> <li><a href="/wiki/Light_week" title="Light week">Light week</a></li> <li><a href="/wiki/Light_year" title="Light year">Light year</a></li> <li><a href="/wiki/Lunar_eclipse" title="Lunar eclipse">Lunar eclipse</a></li> <li><a href="/wiki/Lupus_(constellation)" title="Lupus (constellation)">Lupus (constellation)</a></li> <li><a href="/wiki/Lynx_(constellation)" title="Lynx (constellation)">Lynx (constellation)</a></li> <li><a href="/wiki/Lyra" title="Lyra">Lyra</a></li></ul></div><div class="mw-category-group"><h3>M</h3> <ul><li><a href="/wiki/Magnitude_(astronomy)" title="Magnitude (astronomy)">Magnitude (astronomy)</a></li> <li><a href="/wiki/Mars_(planet)" title="Mars (planet)">Mars (planet)</a></li> <li><a href="/wiki/Mauna_Kea_Observatories" title="Mauna Kea Observatories">Mauna Kea Observatories</a></li> <li><a href="/wiki/Mensa_(constellation)" title="Mensa (constellation)">Mensa (constellation)</a></li> <li><a href="/wiki/Mercury_(planet)" title="Mercury (planet)">Mercury (planet)</a></li> <li><a href="/wiki/Messier_object" title="Messier object">Messier object</a></li> <li><a href="/wiki/Charles_Messier" title="Charles Messier">Charles Messier</a></li> <li><a href="/wiki/Microscopium" title="Microscopium">Microscopium</a></li> <li><a href="/wiki/Milankovitch_cycles" title="Milankovitch cycles">Milankovitch cycles</a></li> <li><a href="/wiki/Milky_Way" title="Milky Way">Milky Way</a></li> <li><a href="/wiki/Monoceros" title="Monoceros">Monoceros</a></li> <li><a href="/wiki/Month" title="Month">Month</a></li> <li><a href="/wiki/Moon" title="Moon">Moon</a></li> <li><a href="/wiki/Musca" title="Musca">Musca</a></li></ul></div><div class="mw-category-group"><h3>N</h3> <ul><li><a href="/wiki/N1_rocket" title="N1 rocket">N1 rocket</a></li> <li><a href="/wiki/National_Aeronautics_and_Space_Administration" title="National Aeronautics and Space Administration">National Aeronautics and Space Administration</a></li> <li><a href="/wiki/Near_Earth_Object_Program" title="Near Earth Object Program">Near Earth Object Program</a></li> <li><a href="/wiki/Near-Earth_object" title="Near-Earth object">Near-Earth object</a></li> <li><a href="/wiki/Neptune_(planet)" title="Neptune (planet)">Neptune (planet)</a></li> <li><a href="/wiki/Neutron_star" title="Neutron star">Neutron star</a></li> <li><a href="/wiki/New_General_Catalogue" title="New General Catalogue">New General Catalogue</a></li> <li><a href="/wiki/Isaac_Newton" title="Isaac Newton">Isaac Newton</a></li> <li><a href="/wiki/NGC_1039" title="NGC 1039">NGC 1039</a></li> <li><a href="/wiki/NGC_104" title="NGC 104">NGC 104</a></li> <li><a href="/wiki/NGC_1068" title="NGC 1068">NGC 1068</a></li> <li><a href="/wiki/NGC_1904" title="NGC 1904">NGC 1904</a></li> <li><a href="/wiki/NGC_1912" title="NGC 1912">NGC 1912</a></li> <li><a href="/wiki/NGC_1960" title="NGC 1960">NGC 1960</a></li> <li><a href="/wiki/NGC_1976" title="NGC 1976">NGC 1976</a></li> <li><a href="/wiki/NGC_1982" title="NGC 1982">NGC 1982</a></li> <li><a href="/wiki/NGC_205" title="NGC 205">NGC 205</a></li> <li><a href="/wiki/NGC_2068" title="NGC 2068">NGC 2068</a></li> <li><a href="/wiki/NGC_2099" title="NGC 2099">NGC 2099</a></li> <li><a href="/wiki/NGC_2168" title="NGC 2168">NGC 2168</a></li> <li><a href="/wiki/NGC_221" title="NGC 221">NGC 221</a></li> <li><a href="/wiki/NGC_2287" title="NGC 2287">NGC 2287</a></li> <li><a href="/wiki/NGC_2323" title="NGC 2323">NGC 2323</a></li> <li><a href="/wiki/NGC_2422" title="NGC 2422">NGC 2422</a></li> <li><a href="/wiki/NGC_2437" title="NGC 2437">NGC 2437</a></li> <li><a href="/wiki/NGC_2447" title="NGC 2447">NGC 2447</a></li> <li><a href="/wiki/NGC_2632" title="NGC 2632">NGC 2632</a></li> <li><a href="/wiki/NGC_2548" title="NGC 2548">NGC 2548</a></li> <li><a href="/wiki/NGC_2682" title="NGC 2682">NGC 2682</a></li> <li><a href="/wiki/NGC_3031" title="NGC 3031">NGC 3031</a></li> <li><a href="/wiki/NGC_3034" title="NGC 3034">NGC 3034</a></li> <li><a href="/wiki/NGC_3351" title="NGC 3351">NGC 3351</a></li> <li><a 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