{"id":10007,"date":"2018-12-23T05:56:03","date_gmt":"2018-12-23T05:56:03","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=10007"},"modified":"2025-12-07T09:26:24","modified_gmt":"2025-12-07T09:26:24","slug":"gerard-kuiper-une-passion-pour-le-systeme-solaire","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/12\/23\/gerard-kuiper-une-passion-pour-le-systeme-solaire\/","title":{"rendered":"Gerard Kuiper, une passion pour le Syst\u00e8me solaire"},"content":{"rendered":"<p><strong>Il consacra sa vie au Syst\u00e8me solaire. Portrait de Gerard Kuiper, l&#8217;un des plus grands astronomes du XX\u00e8me si\u00e8cle.<\/strong><\/p>\n<h5>Des Pays-Bas aux USA :<\/h5>\n<p>Gerard Kuiper (ou Gerard Peter Kuiper) est n\u00e9 le 7 d\u00e9cembre 1905 aux Pays-Bas. Dipl\u00f4m\u00e9 de l&#8217;Universit\u00e9 de Leiden en 1927, il y obtient son doctorat en 1933. Cette ann\u00e9e-l\u00e0, il part s&#8217;installer aux \u00c9tats-Unis o\u00f9 il se fera naturaliser quatre ans plus tard. Il rejoint le personnel de l&#8217;<a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2023\/12\/21\/observatoire-yerkes-au-bonheur-des-dames\/\" target=\"_blank\" rel=\"noopener\">Observatoire Yerkes<\/a> en 1936. Il occupera deux fois le poste de directeur (1947-1949 et 1957-1960) des observatoires Yerkes et <a href=\"http:\/\/mcdonaldobservatory.org\/\" target=\"_blank\" rel=\"noopener\">McDonald<\/a>.<\/p>\n<figure id=\"attachment_10008\" aria-describedby=\"caption-attachment-10008\" style=\"width: 450px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/12\/kuiper.jpg\" rel=\"lightbox[10007]\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-10008\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/12\/kuiper-450x280.jpg\" alt=\"\" width=\"450\" height=\"280\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/12\/kuiper-450x280.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/12\/kuiper-768x477.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/12\/kuiper-1024x636.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/12\/kuiper.jpg 1450w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><figcaption id=\"caption-attachment-10008\" class=\"wp-caption-text\">L&#8217;astronome am\u00e9ricano-n\u00e9erlandais Gerard Kuiper \u00e0 l&#8217;\u00e9poque de la conqu\u00eate de la Lune.<\/figcaption><\/figure>\n<p>Apr\u00e8s avoir men\u00e9 des recherches en astronomie stellaire, Kuiper se concentre sur le Syst\u00e8me solaire \u00e0 partir des ann\u00e9es 1940.<!--more--><\/p>\n<h5>Des plan\u00e8tes aux com\u00e8tes :<\/h5>\n<p>Ses intuitions et ses d\u00e9couvertes vont s&#8217;encha\u00eener : confirmation de la pr\u00e9sence de m\u00e9thane dans l&#8217;atmosph\u00e8re de\u00a0<a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/29\/iles-mysterieuses-titan\/\" target=\"_blank\" rel=\"noopener\">Titan<\/a>\u00a0(la plus grosse lune de <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/09\/17\/saturne-la-planete-qui-fait-naitre-des-vocations\/\" target=\"_blank\" rel=\"noopener\">Saturne<\/a>) en 1944, pr\u00e9diction en 1947 de la pr\u00e9sence en forte quantit\u00e9 de dioxyde de carbone dans l\u2019atmosph\u00e8re de la plan\u00e8te <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/11\/27\/percival-lowell-lhomme-qui-aimait-trop-la-planete-mars\/\" target=\"_blank\" rel=\"noopener\">Mars<\/a>\u00a0et de la composition des <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/07\/03\/linclinaison-des-anneaux-de-saturne-de-2004-a-2015\/\" target=\"_blank\" rel=\"noopener\">anneaux de Saturne<\/a> (particules de glace). La m\u00eame ann\u00e9e, il d\u00e9couvre <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Miranda_(lune)\" target=\"_blank\" rel=\"noopener\">Miranda<\/a> (une lune d&#8217;<a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/20\/tempetes-geantes-sur-uranus\/\" target=\"_blank\" rel=\"noopener\">Uranus<\/a>) et en 1949 <a href=\"https:\/\/fr.wikipedia.org\/wiki\/N%C3%A9r%C3%A9ide_(lune)\" target=\"_blank\" rel=\"noopener\">N\u00e9r\u00e9ide<\/a> (troisi\u00e8me plus grand satellite de <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/06\/16\/voyager-2-immortalisait-neptune-triton\/\" target=\"_blank\" rel=\"noopener\">Neptune<\/a>).<\/p>\n<figure id=\"attachment_9209\" aria-describedby=\"caption-attachment-9209\" style=\"width: 450px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/05\/titan-encelade.jpg\" rel=\"lightbox[10007]\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-9209\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/05\/titan-encelade-450x271.jpg\" alt=\"\" width=\"450\" height=\"271\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/05\/titan-encelade-450x271.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/05\/titan-encelade-768x462.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/05\/titan-encelade-1024x616.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2018\/05\/titan-encelade.jpg 1497w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><figcaption id=\"caption-attachment-9209\" class=\"wp-caption-text\">L&#8217;atmosph\u00e8re de Titan (au second plan derri\u00e8re Encelade) compte 95% d&#8217;azote et moins de 5% de m\u00e9thane, un gaz dont Gerard Kuiper confirma la pr\u00e9sence en 1944. \u00a9 NASA<\/figcaption><\/figure>\n<p>En 1949, Gerard Kuiper sugg\u00e8re que les plan\u00e8tes du Syst\u00e8me solaire se sont form\u00e9es lors de la condensation d&#8217;un vaste nuage de gaz autour de notre \u00e9toile. Il \u00e9met \u00e9galement l&#8217;id\u00e9e qu&#8217;il existe un r\u00e9servoir de <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/12\/05\/la-comete-46p-wirtanen-au-dessus-du-chateau-de-la-tour\/\" target=\"_blank\" rel=\"noopener\">com\u00e8tes<\/a> situ\u00e9 \u00e0 une distance de 30 \u00e0 50 <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Unit%C3%A9_astronomique\" target=\"_blank\" rel=\"noopener\">unit\u00e9s astronomiques<\/a> du <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/11\/15\/lincroyable-image-de-la-chute-dicare-devant-le-soleil\/\" target=\"_blank\" rel=\"noopener\">Soleil<\/a>. Cette intuition sera confirm\u00e9e dans les ann\u00e9es 1990. Ce r\u00e9servoir prendra alors le nom de <a href=\"https:\/\/www.futura-sciences.com\/sciences\/definitions\/univers-ceinture-kuiper-3865\/\" target=\"_blank\" rel=\"noopener\">ceinture de Kuiper<\/a>.<\/p>\n<h5>Un observatoire volant \u00e0 son nom :<\/h5>\n<p>En 1950, il obtint la premi\u00e8re mesure fiable du diam\u00e8tre visuel de <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2015\/09\/16\/new-horizons-devoile-lincroyable-surface-de-pluton\/\" target=\"_blank\" rel=\"noopener\">Pluton<\/a>. Six ans plus tard, il sugg\u00e8re que les <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2017\/02\/16\/mars-express-survole-pole-nord-de-planete-rouge\/\" target=\"_blank\" rel=\"noopener\">calottes polaires<\/a> de Mars sont compos\u00e9es de glace carbonique et de glace d&#8217;eau :<\/p>\n<figure id=\"attachment_7281\" aria-describedby=\"caption-attachment-7281\" style=\"width: 450px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/02\/calotte_mars2.jpg\" rel=\"lightbox[10007]\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-7281\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/02\/calotte_mars2-450x304.jpg\" alt=\"\" width=\"450\" height=\"304\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/02\/calotte_mars2-450x304.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/02\/calotte_mars2-768x518.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/02\/calotte_mars2-1024x691.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2017\/02\/calotte_mars2.jpg 1334w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><figcaption id=\"caption-attachment-7281\" class=\"wp-caption-text\">La calotte polaire martienne nord et sa structure en spirale. \u00a9 ESA<\/figcaption><\/figure>\n<p>En 1960, il fonde le <em><a href=\"https:\/\/www.lpl.arizona.edu\/\" target=\"_blank\" rel=\"noopener\">Lunar and Planetary Laboratory<\/a>\u00a0<\/em>dont il sera le directeur jusqu&#8217;\u00e0 sa mort le 23 d\u00e9cembre 1973 \u00e0 Mexico. En 1964, il pr\u00e9dit que les futurs astronautes qui arpenteront la surface de la <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2025\/11\/18\/croissant-de-lune-et-lumiere-cendree-a-laube\/\" target=\"_blank\" rel=\"noopener\">Lune <\/a>auront l&#8217;impression de marcher sur de la neige craquante, impression\u00a0v\u00e9rifi\u00e9e par <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Neil_Armstrong\" target=\"_blank\" rel=\"noopener\">Neil Armstrong<\/a> en 1969.<\/p>\n<figure id=\"attachment_5921\" aria-describedby=\"caption-attachment-5921\" style=\"width: 450px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/06\/sofia.jpg\" rel=\"lightbox[10007]\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-5921\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/06\/sofia-450x313.jpg\" alt=\"\" width=\"450\" height=\"313\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/06\/sofia-450x313.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/06\/sofia-768x533.jpg 768w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/06\/sofia-1024x711.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2016\/06\/sofia.jpg 1300w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><figcaption id=\"caption-attachment-5921\" class=\"wp-caption-text\">Sofia est un observatoire volant qui \u00e9tudie le ciel en infrarouge.\u00a9 NASA<\/figcaption><\/figure>\n<p>Gerard Kuiper a \u00e9galement l&#8217;id\u00e9e d&#8217;utiliser des avions pour transporter des t\u00e9lescopes destin\u00e9s \u00e0 l&#8217;observation infrarouge au-dessus de l&#8217;atmosph\u00e8re. Un avion-cargo C-141 exploit\u00e9 par la NASA de 1975 \u00e0 1996 sera nomm\u00e9 en son honneur (l&#8217;observatoire volant Kuiper est le pr\u00e9d\u00e9cesseur de <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/06\/26\/sofia-lobservatoire-volant-scrute-lunivers\/\" target=\"_blank\" rel=\"noopener\">SOFIA<\/a>) ainsi que les crat\u00e8res sur la Lune, <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2016\/05\/12\/video-decouvrez-reliefs-de-planete-mercure\/\" target=\"_blank\" rel=\"noopener\">Mercure<\/a> et Mars.<\/p>\n<h5>Vous pourriez aimer :<\/h5>\n<ul>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2024\/11\/06\/john-dobson-une-certaine-idee-de-lastronomie\/\" target=\"_blank\" rel=\"noopener\">John Dobson, une certaine id\u00e9e de l\u2019astronomie<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2024\/11\/19\/theophile-moreux-un-abbe-sous-les-etoiles\/\" target=\"_blank\" rel=\"noopener\">Th\u00e9ophile Moreux, un abb\u00e9 sous les \u00e9toiles<\/a><\/li>\n<li><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2024\/10\/17\/w-h-pickering-lastronome-qui-aimait-trop-la-lune\/\" target=\"_blank\" rel=\"noopener\">W. H. Pickering, l\u2019astronome qui aimait (trop) la Lune<\/a><\/li>\n<\/ul>\n<p>Suivez l\u2019actualit\u00e9 astronomique et d\u00e9couvrez mes images du ciel en vous abonnant \u00e0 Cielmania sur\u00a0<a href=\"https:\/\/www.facebook.com\/cielmania\/\" target=\"_blank\" rel=\"noopener noreferrer\">Facebook<\/a>.<\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Il consacra sa vie au Syst\u00e8me solaire. Portrait de Gerard Kuiper, l&#8217;un des plus grands astronomes du XX\u00e8me si\u00e8cle. Des Pays-Bas aux USA : Gerard Kuiper (ou Gerard Peter Kuiper) est n\u00e9 le 7 d\u00e9cembre 1905 aux Pays-Bas. Dipl\u00f4m\u00e9 de l&#8217;Universit\u00e9 de Leiden en 1927, il y obtient son doctorat en 1933. Cette ann\u00e9e-l\u00e0, il &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2018\/12\/23\/gerard-kuiper-une-passion-pour-le-systeme-solaire\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Gerard Kuiper, une passion pour le Syst\u00e8me solaire<\/span>  <span class=\"meta-nav\">&rarr;<\/span><\/a><!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>\n","protected":false},"author":8,"featured_media":10008,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[87],"tags":[631,2608,116,2609,2610,136,567],"class_list":["post-10007","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-les-hommes-et-le-ciel","tag-ceinture-de-kuiper","tag-gerard-kuiper","tag-mars","tag-miranda","tag-nereide","tag-saturne","tag-titan"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Gerard Kuiper, une passion pour le Syst\u00e8me solaire<\/title>\n<meta name=\"description\" content=\"Il consacra sa vie au Syst\u00e8me solaire. 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