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Beschikbaar in 40 talen" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-40" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">40 talen</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Aragonees" lang="an" hreflang="an" data-title="Tom Gehrels" data-language-autonym="Aragonés" data-language-local-name="Aragonees" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AA%D9%88%D9%85_%D8%AC%D9%8A%D8%B1%D9%84%D9%8A%D8%B2" title="توم جيرليز – Arabisch" lang="ar" hreflang="ar" data-title="توم جيرليز" data-language-autonym="العربية" data-language-local-name="Arabisch" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%AA%D9%88%D9%85_%D8%AC%D9%8A%D8%B1%D9%8A%D9%84%D8%B2" title="توم جيريلز – Egyptisch Arabisch" lang="arz" hreflang="arz" data-title="توم جيريلز" data-language-autonym="مصرى" data-language-local-name="Egyptisch Arabisch" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Asturisch" lang="ast" hreflang="ast" data-title="Tom Gehrels" data-language-autonym="Asturianu" data-language-local-name="Asturisch" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Tom_Qerels" title="Tom Qerels – Azerbeidzjaans" lang="az" hreflang="az" data-title="Tom Qerels" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbeidzjaans" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Beiers" lang="bar" hreflang="bar" data-title="Tom Gehrels" data-language-autonym="Boarisch" data-language-local-name="Beiers" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Catalaans" lang="ca" hreflang="ca" data-title="Tom Gehrels" data-language-autonym="Català" data-language-local-name="Catalaans" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Tsjechisch" lang="cs" hreflang="cs" data-title="Tom Gehrels" data-language-autonym="Čeština" data-language-local-name="Tsjechisch" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Duits" lang="de" hreflang="de" data-title="Tom Gehrels" data-language-autonym="Deutsch" data-language-local-name="Duits" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A4%CE%BF%CE%BC_%CE%93%CE%BA%CE%AD%CF%81%CE%B5%CE%BB%CF%82" title="Τομ Γκέρελς – Grieks" lang="el" hreflang="el" data-title="Τομ Γκέρελς" data-language-autonym="Ελληνικά" data-language-local-name="Grieks" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Engels" lang="en" hreflang="en" data-title="Tom Gehrels" data-language-autonym="English" data-language-local-name="Engels" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Esperanto" lang="eo" hreflang="eo" data-title="Tom Gehrels" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Spaans" lang="es" hreflang="es" data-title="Tom Gehrels" data-language-autonym="Español" data-language-local-name="Spaans" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Baskisch" lang="eu" hreflang="eu" data-title="Tom Gehrels" data-language-autonym="Euskara" data-language-local-name="Baskisch" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AA%D8%A7%D9%85_%D8%AC%D8%B1%D9%84%D8%B2" title="تام جرلز – Perzisch" lang="fa" hreflang="fa" data-title="تام جرلز" data-language-autonym="فارسی" data-language-local-name="Perzisch" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Fins" lang="fi" hreflang="fi" data-title="Tom Gehrels" data-language-autonym="Suomi" data-language-local-name="Fins" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Frans" lang="fr" hreflang="fr" data-title="Tom Gehrels" data-language-autonym="Français" data-language-local-name="Frans" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Fries" lang="fy" hreflang="fy" data-title="Tom Gehrels" data-language-autonym="Frysk" data-language-local-name="Fries" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Kroatisch" lang="hr" hreflang="hr" data-title="Tom Gehrels" data-language-autonym="Hrvatski" data-language-local-name="Kroatisch" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Hongaars" lang="hu" hreflang="hu" data-title="Tom Gehrels" data-language-autonym="Magyar" data-language-local-name="Hongaars" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B9%D5%B8%D5%B4_%D4%B3%D5%A5%D6%80%D5%A5%D5%AC%D5%BD" title="Թոմ Գերելս – Armeens" lang="hy" hreflang="hy" data-title="Թոմ Գերելս" data-language-autonym="Հայերեն" data-language-local-name="Armeens" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Italiaans" lang="it" hreflang="it" data-title="Tom Gehrels" data-language-autonym="Italiano" data-language-local-name="Italiaans" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%88%E3%83%A0%E3%83%BB%E3%82%B2%E3%83%BC%E3%83%AC%E3%83%AB%E3%82%B9" title="トム・ゲーレルス – Japans" lang="ja" hreflang="ja" data-title="トム・ゲーレルス" data-language-autonym="日本語" data-language-local-name="Japans" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Antonius_Gehrels" title="Antonius Gehrels – Latijn" lang="la" hreflang="la" data-title="Antonius Gehrels" data-language-autonym="Latina" data-language-local-name="Latijn" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Luxemburgs" lang="lb" hreflang="lb" data-title="Tom Gehrels" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxemburgs" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Toms_G%C4%93relss" title="Toms Gērelss – Lets" lang="lv" hreflang="lv" data-title="Toms Gērelss" data-language-autonym="Latviešu" data-language-local-name="Lets" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Nedersaksisch" lang="nds" hreflang="nds" data-title="Tom Gehrels" data-language-autonym="Plattdüütsch" data-language-local-name="Nedersaksisch" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Noors - Bokmål" lang="nb" hreflang="nb" data-title="Tom Gehrels" data-language-autonym="Norsk bokmål" data-language-local-name="Noors - Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Pools" lang="pl" hreflang="pl" data-title="Tom Gehrels" data-language-autonym="Polski" data-language-local-name="Pools" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Portugees" lang="pt" hreflang="pt" data-title="Tom Gehrels" data-language-autonym="Português" data-language-local-name="Portugees" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Roemeens" lang="ro" hreflang="ro" data-title="Tom Gehrels" data-language-autonym="Română" data-language-local-name="Roemeens" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%93%D0%B5%D1%80%D0%B5%D0%BB%D1%8C%D1%81,_%D0%A2%D0%BE%D0%BC" title="Герельс, Том – Russisch" lang="ru" hreflang="ru" data-title="Герельс, Том" data-language-autonym="Русский" data-language-local-name="Russisch" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Simple English" lang="en-simple" hreflang="en-simple" data-title="Tom Gehrels" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Slowaaks" lang="sk" hreflang="sk" data-title="Tom Gehrels" data-language-autonym="Slovenčina" data-language-local-name="Slowaaks" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Sloveens" lang="sl" hreflang="sl" data-title="Tom Gehrels" data-language-autonym="Slovenščina" data-language-local-name="Sloveens" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%A2%D0%BE%D0%BC_%D0%93%D0%B5%D1%80%D0%B5%D0%BB%D1%81" title="Том Герелс – Servisch" lang="sr" hreflang="sr" data-title="Том Герелс" data-language-autonym="Српски / srpski" data-language-local-name="Servisch" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Zweeds" lang="sv" hreflang="sv" data-title="Tom Gehrels" data-language-autonym="Svenska" data-language-local-name="Zweeds" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A2%D0%BE%D0%BC_%D0%93%D0%B5%D1%80%D0%B5%D0%BB%D1%8C%D1%81" title="Том Герельс – Oekraïens" lang="uk" hreflang="uk" data-title="Том Герельс" data-language-autonym="Українська" data-language-local-name="Oekraïens" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Tom_Gehrels" title="Tom Gehrels – Vietnamees" lang="vi" hreflang="vi" data-title="Tom Gehrels" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamees" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E6%B9%AF%E5%A7%86%C2%B7%E8%B5%AB%E9%9B%B7%E7%88%BE%E6%96%AF" title="湯姆·赫雷爾斯 – Chinees" lang="zh" hreflang="zh" data-title="湯姆·赫雷爾斯" data-language-autonym="中文" data-language-local-name="Chinees" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q312255#sitelinks-wikipedia" title="Taalkoppelingen bewerken" class="wbc-editpage">Koppelingen bewerken</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Naamruimten"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected 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Wikipedia, de vrije encyclopedie</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="nl" dir="ltr"><table class="infobox" cellpadding="1" cellspacing="1"> <tbody><tr> <th class="infobox-kop notheme" style="color:inherit; text-align:center; font-size:120%;" colspan="3">Tom Gehrels </th></tr> <tr> <td style="text-align:center; padding:0;" colspan="3"><span typeof="mw:File"><a href="/wiki/Bestand:Tom_Gehrels.jpg" class="mw-file-description"><img alt="Tom Gehrels in 1974" src="//upload.wikimedia.org/wikipedia/commons/5/50/Tom_Gehrels.jpg" decoding="async" width="266" height="277" class="mw-file-element" data-file-width="248" data-file-height="258" /></a></span> </td></tr> <tr> <td style="text-align:center;" colspan="3"><div style="font-size:90%">Tom Gehrels in 1974</div> </td></tr> <tr> <th class="infobox-kop notheme" style="color:inherit; text-align:center;" colspan="3">Persoonlijke gegevens </th></tr> <tr> <th>Geboortedatum </th> <td colspan="2"><a href="/wiki/21_februari" title="21 februari">21 februari</a> <a href="/wiki/1925" title="1925">1925</a> </td></tr> <tr> <th>Geboorteplaats </th> <td colspan="2"><a href="/wiki/Haarlemmermeer" title="Haarlemmermeer">Haarlemmermeer</a><br /><span class="mw-image-border noviewer" typeof="mw:File"><a href="/wiki/Bestand:Flag_of_the_Netherlands.svg" class="mw-file-description" title="Vlag van Nederland"><img alt="Vlag van Nederland" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/20/Flag_of_the_Netherlands.svg/20px-Flag_of_the_Netherlands.svg.png" decoding="async" width="20" height="13" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/20/Flag_of_the_Netherlands.svg/30px-Flag_of_the_Netherlands.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/20/Flag_of_the_Netherlands.svg/40px-Flag_of_the_Netherlands.svg.png 2x" data-file-width="900" data-file-height="600" /></a></span> <a href="/wiki/Nederland_(hoofdbetekenis)" class="mw-redirect" title="Nederland (hoofdbetekenis)">Nederland</a> </td></tr> <tr> <th>Overlijdensdatum </th> <td colspan="2"><a href="/wiki/11_juli" title="11 juli">11 juli</a> <a href="/wiki/2011" title="2011">2011</a> </td></tr> <tr> <th>Overlijdensplaats </th> <td colspan="2"><a href="/wiki/Tucson" title="Tucson">Tucson</a><br /><span class="mw-image-border noviewer" typeof="mw:File"><a href="/wiki/Bestand:Flag_of_the_United_States.svg" class="mw-file-description" title="Vlag van de Verenigde Staten"><img alt="Vlag van Verenigde Staten" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Flag_of_the_United_States.svg/20px-Flag_of_the_United_States.svg.png" decoding="async" width="20" height="11" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Flag_of_the_United_States.svg/30px-Flag_of_the_United_States.svg.png 1.5x, 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Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span> </td></tr> <tr> <th><a href="/wiki/Promotor_(universiteit)" title="Promotor (universiteit)">Promotor</a> </th> <td colspan="2"><a href="/wiki/Gerard_Kuiper" title="Gerard Kuiper">Gerard Kuiper</a> </td></tr> <tr> <th class="infobox-kop notheme" style="color:inherit;" colspan="3">Wetenschappelijk werk </th></tr> <tr> <th>Vakgebied </th> <td colspan="2"><a href="/wiki/Astronomie" title="Astronomie">astronomie</a> </td></tr> <tr> <th>Bekend van </th> <td colspan="2">onderzoek naar <a href="/wiki/Planeto%C3%AFde" title="Planetoïde">planetoïden</a> </td></tr> <tr> <td class="infobox-kop notheme center" style="color:inherit;" colspan="3"> <table cellspacing="0" cellpadding="0"> <tbody><tr> <td style="vertical-align:middle;"><b>Portaal</b>  <span class="noviewer" typeof="mw:File"><a href="/wiki/Bestand:Portal.svg" class="mw-file-description" title="Portaalicoon"><img alt="Portaalicoon" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Portal.svg/22px-Portal.svg.png" decoding="async" width="22" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Portal.svg/33px-Portal.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Portal.svg/44px-Portal.svg.png 2x" data-file-width="36" data-file-height="32" /></a></span>   </td> <td class="ta-left"><b><a href="/wiki/Portaal:Astronomie" title="Portaal:Astronomie">Astronomie</a> </b> </td></tr></tbody></table> </td></tr> </tbody></table> <p><b>Anton M.J. (Tom) Gehrels</b> (<a href="/wiki/Haarlemmermeer" title="Haarlemmermeer">Haarlemmermeer</a>, <a href="/wiki/21_februari" title="21 februari">21 februari</a> <a href="/wiki/1925" title="1925">1925</a> – <a href="/wiki/Tucson" title="Tucson">Tucson</a>, <a href="/wiki/11_juli" title="11 juli">11 juli</a> <a href="/wiki/2011" title="2011">2011</a>) was een <a href="/wiki/Verenigde_Staten" title="Verenigde Staten">Amerikaans</a> <a href="/wiki/Astronoom" title="Astronoom">astronoom</a> van <a href="/wiki/Nederland" title="Nederland">Nederlandse</a> afkomst. </p><p>Gehrels groeide op in <a href="/wiki/Halfweg_(Haarlemmerliede_en_Spaarnwoude)" class="mw-redirect" title="Halfweg (Haarlemmerliede en Spaarnwoude)">Halfweg</a> en was tijdens de <a href="/wiki/Tweede_Wereldoorlog" title="Tweede Wereldoorlog">Tweede Wereldoorlog</a> actief in het <a href="/wiki/Nederlands_verzet_in_de_Tweede_Wereldoorlog" title="Nederlands verzet in de Tweede Wereldoorlog">verzet</a>. Na de oorlog studeerde hij <a href="/wiki/Astronomie" title="Astronomie">astronomie</a> aan de <a href="/wiki/Universiteit_Leiden" title="Universiteit Leiden">Rijksuniversiteit Leiden</a>. Begin jaren 1950 <a href="/wiki/Emigratie" title="Emigratie">emigreerde</a> Gehrels naar de Verenigde Staten. Hij promoveerde in 1956 aan de <a href="/wiki/Universiteit_van_Chicago" title="Universiteit van Chicago">Universiteit van Chicago</a> op een proefschrift met de titel <i>Photometric Studies of Asteroids</i>. </p><p>Uiteindelijk verbond hij zich aan het <a href="/w/index.php?title=Lunar_and_Planetary_Laboratory&action=edit&redlink=1" class="new" title="Lunar and Planetary Laboratory (de pagina bestaat niet)">Lunar and Planetary Laboratory</a> in <a href="/wiki/Tucson" title="Tucson">Tucson</a>, <a href="/wiki/Arizona_(staat)" title="Arizona (staat)">Arizona</a>. Vanwege de groei van de <a href="/wiki/Stad" title="Stad">stad</a> en de daarmee gepaard gaande <a href="/wiki/Lichtvervuiling" title="Lichtvervuiling">lichtvervuiling</a>, werd in de jaren 1960 een nieuwe locatie voor waarnemingen gezocht. De <a href="/w/index.php?title=Steward_Observatory&action=edit&redlink=1" class="new" title="Steward Observatory (de pagina bestaat niet)">Steward Observatory</a> werd gebouwd op <a href="/w/index.php?title=Kitt_Peak&action=edit&redlink=1" class="new" title="Kitt Peak (de pagina bestaat niet)">Kitt Peak</a>. Op Gehrels' initiatief was het de eerste <a href="/wiki/Sterrenwacht" title="Sterrenwacht">sterrenwacht</a> die werd uitgerust met een <a href="/wiki/Charge-coupled_device" title="Charge-coupled device">CCD</a>. </p><p>Samen met <a href="/wiki/Cornelis_Johannes_van_Houten" title="Cornelis Johannes van Houten">Kees van Houten</a> en diens echtgenote <a href="/wiki/Ingrid_van_Houten-Groeneveld" title="Ingrid van Houten-Groeneveld">Ingrid van Houten-Groeneveld</a> heeft hij duizenden <a href="/wiki/Planeto%C3%AFde" title="Planetoïde">planetoïden</a> en <a href="/wiki/Komeet" title="Komeet">kometen</a> ontdekt. Daarnaast heeft hij vele boeken geschreven en heeft hij samen met de Amerikaanse astronoom <a href="/w/index.php?title=Bob_McMillan&action=edit&redlink=1" class="new" title="Bob McMillan (de pagina bestaat niet)">Bob McMillan</a> het project <a href="/wiki/Spacewatch" title="Spacewatch">Spacewatch</a> opgezet. In 2007 ontving hij de <a href="/wiki/Masursky_Award" title="Masursky Award">Masursky Award</a>. Gehrels onderwees eens per jaar in <a href="/wiki/India" title="India">India</a> waar hij verbonden was aan het Physical Research Laboratory in <a href="/wiki/Ahmedabad_(stad)" title="Ahmedabad (stad)">Ahmedabad</a>. </p><p>De laatste periode van zijn leven hield Gehrels zich voornamelijk bezig met theoretische vraagstukken. </p><p>Zijn zoon <a href="/w/index.php?title=Neil_Gehrels&action=edit&redlink=1" class="new" title="Neil Gehrels (de pagina bestaat niet)">Neil Gehrels</a> (1952-2017) was <a href="/wiki/Astrofysicus" class="mw-redirect" title="Astrofysicus">astrofysicus</a>. </p><p><a href="/wiki/Planeto%C3%AFde" title="Planetoïde">Planetoïde</a> <a href="/w/index.php?title=(1777)_Gehrels&action=edit&redlink=1" class="new" title="(1777) Gehrels (de pagina bestaat niet)">(1777) Gehrels</a> is naar hem vernoemd. </p> <div class="toccolours appendix" role="presentation" style="font-size:90%; margin:1em 0 -0.5em; clear:both;"> <div><span style="font-weight:bold">Bronnen, noten en/of referenties</span></div> <ul><li><style data-mw-deduplicate="TemplateStyles:r67679320">.mw-parser-output .taalaanduiding{font-family:sans-serif;font-size:85%;cursor:help;color:var(--color-subtle,#555)}.mw-parser-output .taalaanduiding span{border-bottom:1px dotted var(--color-subtle,#555)}</style><span class="taalaanduiding" title="Taal: Engels">(<span>en</span>) </span> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20130702164620/http://www.lpl.arizona.edu/people/faculty/gehrels2.html">University of Arizona - Tom Gehrels cv</a></li> <li><span class="citation" id="CITEREF2024"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r67679320"><span class="taalaanduiding" title="Taal: Engels">(<span>en</span>) </span><span style="font-variant:small-caps;"><span style="font-variant:small-caps;">Harrison, J.</span></span>, <a rel="nofollow" class="external text" href="http://uanews.org/node/40649">Astronomer Tom Gehrels, 1925-2011</a>. <a href="/wiki/Universiteit_van_Arizona" title="Universiteit van Arizona">Universiteit van Arizona</a> (<span class="mw-formatted-date" title="2011-07-12">12 juli 2011</span>). Geraadpleegd op <span class="mw-formatted-date" title="2011-07-16">16 juli 2011</span>. </span></li> <li><span class="citation" id="CITEREF2024"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r67679320"><span class="taalaanduiding" title="Taal: Engels">(<span>en</span>) </span><span style="font-variant:small-caps;"><span style="font-variant:small-caps;"><a href="/wiki/Govert_Schilling" title="Govert Schilling">Schilling, G.</a></span></span>, <a rel="nofollow" class="external text" href="http://www.skyandtelescope.com/news/home/125432648.html">Remembering Tom Gehrels</a>. <a href="/w/index.php?title=Sky_%26_Telescope&action=edit&redlink=1" class="new" title="Sky & Telescope (de pagina bestaat niet)">Sky & Telescope</a> (<span class="mw-formatted-date" title="2011-07-12">12 juli 2011</span>). Geraadpleegd op <span class="mw-formatted-date" title="2011-07-16">16 juli 2011</span>. </span></li> <li><span class="citation" id="CITEREFFout:_ongeldige_tijd."><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r67679320"><span class="taalaanduiding" title="Taal: Engels">(<span>en</span>) </span><span style="font-variant:small-caps;"><span style="font-variant:small-caps;">Stiles, L.</span></span>, <a rel="nofollow" class="external text" href="http://uanews.org/node/16265">Tom Gehrels Honored For Service to Planetary Science</a>. Universiteit van Arizona (<span class="mw-formatted-date" title="2007-10-09">9 oktober 2007</span>). Geraadpleegd op <span class="mw-formatted-date" title="2009-11-13">13 november 2009</span>. </span></li> <li><span class="citation" id="CITEREFFout:_ongeldige_tijd."><span style="font-variant:small-caps;"><span style="font-variant:small-caps;"><a href="/wiki/Carl_Koppeschaar" title="Carl Koppeschaar">Koppeschaar, C.</a></span></span>, <a rel="nofollow" class="external text" href="http://www.xs4all.nl/~carlkop/gehrels.html">Nieuwe telescoop kan ramp voorkomen</a>. Maandblad <a href="/wiki/Kijk_(1968-heden)" class="mw-redirect" title="Kijk (1968-heden)">Kijk</a> (januari 1992). Geraadpleegd op <span class="mw-formatted-date" title="2009-11-12">12 november 2009</span>. </span></li> <li><span class="citation" id="CITEREFFout:_ongeldige_tijd."><span style="font-variant:small-caps;"><span style="font-variant:small-caps;">Schilling, G.</span></span>, <a rel="nofollow" class="external text" href="http://allesoversterrenkunde.nl/nieuws/2042-Tom-Gehrels-wint-Harold-Masursky-Award.html">Tom Gehrels wint Harold Masursky Award</a>. <i>Alles over Sterrenkunde</i> (<span class="mw-formatted-date" title="2007-10-09">9 oktober 2007</span>). Geraadpleegd op <span class="mw-formatted-date" title="2009-11-13">13 november 2009</span>. </span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r67679320"><span class="taalaanduiding" title="Taal: Engels">(<span>en</span>) </span><a rel="nofollow" class="external text" href="https://aas.org/obituaries/neil-gehrels-1952-2017">Neil Gehrels (1952 - 2017)</a> op AAS.org, <small>geraadpleegd 5 maart 2019</small></li></ul> </div> <style data-mw-deduplicate="TemplateStyles:r67837862">.mw-parser-output .navigatie{position:relative;clear:both;overflow:auto;margin:1em auto -0.5em;padding:2px;background-color:var(--background-color-neutral-subtle,#f8f9fa);border:1px solid var(--border-color-base,#a2a9b1);text-align:center;font-size:87%}.mw-parser-output .navigatie-bewerken{margin-left:0.5em}.mw-parser-output .navigatie-bewerken .mw-ui-icon::before{background-size:0.9em}.mw-parser-output .navigatie-afb-links,.mw-parser-output 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data-expandtext="Uitklappen"><div id="Bibliografische_informatie" class="navigatie-titel"><a href="/wiki/Wikipedia:Bibliografische_informatie" title="Wikipedia:Bibliografische informatie">Bibliografische informatie</a></div><div class="navigatie-inhoud mw-collapsible-content plainlist ta-left"><ul style="column-width:36em"><li><b><a href="/wiki/Bibsys" class="mw-redirect" title="Bibsys">Bibsys</a>:</b> <span class="uid"><a rel="nofollow" class="external text" href="https://authority.bibsys.no/authority/rest/authorities/html/90239677">90239677</a></span></li><li><b><a href="/wiki/Biblioth%C3%A8que_nationale_de_France" title="Bibliothèque nationale de France">Bibliothèque nationale de France</a>:</b> <span class="uid"><a rel="nofollow" class="external text" href="https://catalogue.bnf.fr/ark:/12148/cb12285058z">cb12285058z</a> <a rel="nofollow" class="external text" href="https://data.bnf.fr/ark:/12148/cb12285058z">(data)</a></span></li><li><b><a href="/wiki/Cat%C3%A0leg_d%27autoritats_de_noms_i_t%C3%ADtols_de_Catalunya" title="Catàleg d'autoritats de noms i títols de Catalunya">Catàleg d'autoritats de noms i títols de Catalunya</a>:</b> <span class="uid"><a rel="nofollow" class="external text" href="https://cantic.bnc.cat/registre/981058608281006706">981058608281006706</a></span></li><li><b><a href="/wiki/CiNii" title="CiNii">CiNii</a>:</b> <span class="uid"><a rel="nofollow" class="external text" href="https://ci.nii.ac.jp/author/DA00716294?l=en">DA00716294</a></span></li><li><b><a href="/wiki/Gemeinsame_Normdatei" title="Gemeinsame Normdatei">Gemeinsame Normdatei</a>:</b> <span class="uid"><a rel="nofollow" class="external text" href="https://d-nb.info/gnd/118907476">118907476</a></span></li><li><b><a href="/wiki/International_Standard_Name_Identifier" title="International Standard Name Identifier">International Standard Name Identifier</a>:</b> <span class="uid"><a rel="nofollow" class="external text" href="http://isni.org/isni/0000000110321981">0000 0001 1032 1981</a></span></li><li><b><a href="/wiki/Library_of_Congress_Control_Number" title="Library of Congress Control Number">Library of Congress Control Number</a>:</b> <span class="uid"><a rel="nofollow" class="external text" href="https://id.loc.gov/authorities/names/n79097311">n79097311</a></span></li><li><b><a href="/wiki/Mathematics_Genealogy_Project" title="Mathematics Genealogy Project">Mathematics Genealogy Project</a>:</b> <span class="uid"><a rel="nofollow" class="external text" href="https://genealogy.math.ndsu.nodak.edu/id.php?id=172418">172418</a></span></li><li><b><a href="/wiki/Nationale_Bibliotheek_van_Tsjechi%C3%AB" title="Nationale Bibliotheek van Tsjechië">Nationale Bibliotheek van Tsjechië</a>:</b> <span class="uid"><a rel="nofollow" class="external text" href="https://aleph.nkp.cz/F/?func=find-c&local_base=aut&ccl_term=ica=stk2009477126&CON_LNG=ENG">stk2009477126</a></span></li><li><b><a href="/wiki/Nationale_bibliotheek_van_Australi%C3%AB" title="Nationale bibliotheek van Australië">Nationale bibliotheek van Australië</a>:</b> <span class="uid"><a rel="nofollow" class="external text" href="https://nla.gov.au/anbd.aut-an35162700">35162700</a></span></li><li><b><a href="/wiki/Nationale_Bibliotheek_van_Isra%C3%ABl" title="Nationale Bibliotheek van Israël">Nationale Bibliotheek van Israël</a>:</b> <span class="uid"><a rel="nofollow" class="external text" href="http://olduli.nli.org.il/F/?func=find-b&local_base=NLX10&find_code=UID&request=987007261657305171">987007261657305171</a></span></li><li><b><a href="/wiki/Nationale_Bibliotheek_van_Polen" title="Nationale Bibliotheek van Polen">Nationale Bibliotheek van Polen</a>:</b> <span class="uid"><a rel="nofollow" class="external text" href="https://dbn.bn.org.pl/descriptor-details/a0000003776305">a0000003776305</a></span></li><li><b><a href="https://www.wikidata.org/wiki/Property:P1006" class="extiw" title="d:Property:P1006">Nederlandse Thesaurus van Auteursnamen</a>:</b> <span class="uid"><a rel="nofollow" class="external text" href="http://data.bibliotheken.nl/id/thes/p07175234X">07175234X</a></span></li><li><b><a href="/wiki/R%C3%89RO" title="RÉRO">Réseau des bibliothèques de Suisse occidentale</a>:</b> <span class="uid"><a rel="nofollow" class="external text" href="http://data.rero.ch/02-A003285503">02-A003285503</a></span></li><li><b><a href="/wiki/Istituto_Centrale_per_il_Catalogo_Unico" title="Istituto Centrale per il Catalogo Unico">Istituto Centrale per il Catalogo Unico</a>:</b> <span class="uid"><a rel="nofollow" class="external text" href="https://opac.sbn.it/opacsbn/opac/iccu/scheda_authority.jsp?bid=MILV105030">MILV105030</a></span></li><li><b><a href="/wiki/Syst%C3%A8me_universitaire_de_documentation" title="Système universitaire de documentation">Système universitaire de documentation</a>:</b> <span class="uid"><a rel="nofollow" class="external text" href="https://www.idref.fr/031681824">031681824</a></span></li><li><b><a href="/wiki/Trove" title="Trove">Trove</a>:</b> <span class="uid"><a rel="nofollow" class="external text" href="https://trove.nla.gov.au/people/847518">847518</a></span></li><li><b><a href="/wiki/Virtual_International_Authority_File" title="Virtual International Authority File">Virtual International Authority File</a>:</b> <span class="uid"><a rel="nofollow" class="external text" href="https://viaf.org/viaf/108488997">108488997</a></span></li><li><b></b> <b><a href="/wiki/WorldCat" title="WorldCat">WorldCat</a></b> (via VIAF): <a rel="nofollow" class="external text" href="https://www.worldcat.org/identities/containsVIAFID/108488997">108488997</a></li></ul></div></div>    </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="">Overgenomen van "<a 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