{"id":8291,"date":"2015-09-18T18:17:31","date_gmt":"2015-09-18T16:17:31","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=8291"},"modified":"2015-09-18T18:17:31","modified_gmt":"2015-09-18T16:17:31","slug":"survolez-pour-la-premiere-fois-les-plaines-et-montages-gelees-de-pluton","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/survolez-pour-la-premiere-fois-les-plaines-et-montages-gelees-de-pluton\/","title":{"rendered":"Survolez pour la premi\u00e8re fois les plaines et montages gel\u00e9es de Pluton"},"content":{"rendered":"<div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p style=\"text-align: justify;\">Clyde Tombaugh, qui d\u00e9couvrit Pluton il y a 85 ans, \u00e9tait sans doute loin d\u2019imaginer un monde aussi complexe et fascinant que celui enfin d\u00e9voil\u00e9 cet \u00e9t\u00e9 par New Horizons. On ne peut que deviner sa joie, son exaltation, voire sa stup\u00e9faction en parcourant chaque nouvelle image transmise par la sonde spatiale \u2014 la m\u00eame que celle qui s\u2019empare de toute l\u2019\u00e9quipe scientifique et de quiconque observe ces clich\u00e9s. Rappelons qu&rsquo;il a fallu 9 ans et demi \u00e0 New Horizons pour atteindre Pluton, \u00e0 une vitesse moyenne de 49.000 km\/h, et que ces photos ont toutes \u00e9t\u00e9 collect\u00e9es le 14 juillet, \u00e0 l\u2019occasion du survol historique de cet astre de 2.370 km de diam\u00e8tre situ\u00e9 \u00e0 pr\u00e8s de 5 milliards de km de la Terre. Des images qui nous sont parvenues, comme pr\u00e9vu, au compte-gouttes.<\/p>\n<p style=\"text-align: justify;\">Nous \u00e9tions d\u00e9j\u00e0 tous admiratifs devant les premi\u00e8res salves d\u2019images t\u00e9l\u00e9charg\u00e9es les heures suivantes (prises la veille et le jour m\u00eame de cette visite par New Horizons), mais \u00e0 pr\u00e9sent qu\u2019une nouvelle s\u00e9rie de transfert a commenc\u00e9, comprenant des images en plus haute r\u00e9solution et des points de vue in\u00e9dits, on peut \u00eatre encore plus impressionn\u00e9.<\/p>\n<p><iframe loading=\"lazy\" title=\"Survolez pour la premi\u00e8re fois les plaines et montages gel\u00e9es de Pluton\" frameborder=\"0\" width=\"500\" height=\"281\" src=\"https:\/\/geo.dailymotion.com\/player.html?video=x2ymwxu&#038;\" allowfullscreen allow=\"autoplay; fullscreen; picture-in-picture; web-share\"><\/iframe><\/p><div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"2\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<p style=\"text-align: justify;\">Un monde qui ressemble beaucoup au n\u00f4tre<\/p>\n<p style=\"text-align: justify;\">En regardant les photos que les chercheurs ont re\u00e7u le 13 septembre, on oublierait presque qu\u2019il s\u2019agit de la fameuse plan\u00e8te naine situ\u00e9e dans la ceinture de Kuiper, au-del\u00e0 de l\u2019orbite de Neptune. Les montagnes (jusqu\u2019\u00e0 3.500 m) surplombant la grande plaine glac\u00e9e et scintillante baptis\u00e9e Spoutnik (au sein de la r\u00e9gion Tombaugh) nous renvoient \u00e0 des paysages connus sur Terre, dans les r\u00e9gions polaires.<\/p>\n<p style=\"text-align: justify;\">Ces nouvelles images prises le 14 juillet, \u00e0 18.000 km, 15 minutes apr\u00e8s le survol le plus rapproch\u00e9 de la surface (12.500 km), \u00e9clair\u00e9e par un Soleil couchant, donc rasant, montrent des paysages avec des ombres allong\u00e9es. On y appr\u00e9hende mieux que jamais les asp\u00e9rit\u00e9s. On reconnait d\u2019ailleurs, \u00e0 l\u2019avant-plan, \u00e0 l\u2019ouest de la plaine Spoutnik, Norgay Montes et, sur le limbe, la cha\u00eene Hillary Montes. De quoi donner des frissons. \u00ab Cette image nous donne vraiment l\u2019impression d\u2019\u00eatre l\u00e0, au-dessus de Pluton, et de sonder le paysage soi-m\u00eame, raconte le directeur de la mission, Alan Stern (SwRI), c\u2019est une aubaine scientifique qui r\u00e9v\u00e8le de nouveaux d\u00e9tails sur l\u2019atmosph\u00e8re, les montagnes, les glaciers et les plaines de Pluton \u00bb.<\/p>\n<p><a href=\"http:\/\/www.laterredufutur.com\/accueil\/\" target=\"_blank\">TDF<\/a><\/p>\n<p>extrait et de source : <a href=\"http:\/\/www.futura-sciences.com\/\" target=\"_blank\">http:\/\/www.futura-sciences.com\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"8291\">(280)<\/p>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Clyde Tombaugh, qui d\u00e9couvrit Pluton il y a 85 ans, \u00e9tait sans doute loin d\u2019imaginer un monde aussi complexe et&#8230;<\/p>\n","protected":false},"author":1,"featured_media":8292,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[22],"tags":[3046,4731,70,76,2780,4730,121,1627,363,684],"class_list":["post-8291","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-azote","tag-brumes","tag-cycle","tag-images","tag-montagnes","tag-new","tag-planete","tag-pluton","tag-systeme-solaire","tag-video","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/09\/pluton-coucher-du-soleil.jpg?fit=805%2C453&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-29J","jetpack-related-posts":[{"id":7675,"url":"https:\/\/www.laterredufutur.com\/accueil\/apres-9-ans-de-voyage-new-horizons-vient-flirter-avec-pluton\/","url_meta":{"origin":8291,"position":0},"title":"Apr\u00e8s 9 ans de voyage, New Horizons vient flirter avec Pluton","author":"Admin","date":"15 juillet 2015","format":false,"excerpt":"La sonde New Horizons vient de passer au plus pr\u00e8s de Pluton. Apr\u00e8s un voyage de plus de 5 milliards de kilom\u00e8tres qui a dur\u00e9 neuf ans, elle atteint enfin son objectif et r\u00e9cup\u00e8re des donn\u00e9s pr\u00e9cieuses pour les scientifiques. C\u2019\u00e9tait aujourd\u2019hui que New Horizons devait passer au plus pr\u00e8s\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/07\/pluton.png?fit=599%2C598&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/07\/pluton.png?fit=599%2C598&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/07\/pluton.png?fit=599%2C598&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":7834,"url":"https:\/\/www.laterredufutur.com\/accueil\/sur-pluton-vapeurs-dans-latmosphere-et-glaces-mouvantes-excitent-les-scientifiques\/","url_meta":{"origin":8291,"position":1},"title":"Sur Pluton, vapeurs dans l&rsquo;atmosph\u00e8re et glaces mouvantes excitent les scientifiques","author":"Admin","date":"14 ao\u00fbt 2015","format":false,"excerpt":"La sonde New Horizons a bien fait de regarder dans son r\u00e9troviseur, en faisant le tour de Pluton. Apr\u00e8s des cha\u00eenes de montagne et de vastes plaines gel\u00e9es, la sonde am\u00e9ricaine New Horizons a envoy\u00e9 de nouvelles images montrant des vapeurs dans l'atmosph\u00e8re de Pluton et des signes de mouvements\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/07\/pluton.png?fit=599%2C598&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/07\/pluton.png?fit=599%2C598&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/07\/pluton.png?fit=599%2C598&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":9800,"url":"https:\/\/www.laterredufutur.com\/accueil\/nouvelle-serie-de-photos-de-pluton\/","url_meta":{"origin":8291,"position":2},"title":"Nouvelle s\u00e9rie de photos de Pluton","author":"Admin","date":"5 d\u00e9cembre 2015","format":false,"excerpt":"La sonde New Horizons de la NASA a envoy\u00e9 vers la Terre la premi\u00e8re s\u00e9rie d'images de Pluton, obtenu le jour\u00a0du survol, le 14 Juillet 2015. Mais ici de nouveaux gros plans, les meilleurs obtenus jusqu'ici . Avec une r\u00e9solution de 77-85 m\u00e8tres par pixel, ces photos montrent des crat\u00e8res,\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/12\/pluton.jpg?fit=571%2C393&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/12\/pluton.jpg?fit=571%2C393&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/12\/pluton.jpg?fit=571%2C393&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":16680,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-sonde-new-horizons-de-la-nasa-vient-de-se-reveiller-dans-le-systeme-solaire-exterieur\/","url_meta":{"origin":8291,"position":3},"title":"La sonde New Horizons de la NASA vient de se r\u00e9veiller dans le syst\u00e8me solaire ext\u00e9rieur","author":"Admin","date":"7 juin 2018","format":false,"excerpt":"La sonde New Horizons de la NASA - la m\u00eame qui nous a donn\u00e9 de superbes photos de Pluton - vient de se r\u00e9veiller, \u00e0 environ 6 milliards de kilom\u00e8tres de chez nous. Elle vole actuellement \u00e0 travers la ceinture de Kuiper, et effectue une mission historique pr\u00e9vue pour le\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/06\/Ultima-Thule.jpg?fit=1200%2C600&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/06\/Ultima-Thule.jpg?fit=1200%2C600&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/06\/Ultima-Thule.jpg?fit=1200%2C600&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/06\/Ultima-Thule.jpg?fit=1200%2C600&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/06\/Ultima-Thule.jpg?fit=1200%2C600&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":9251,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-nasa-aurait-repere-des-volcans-de-glace-sur-pluton\/","url_meta":{"origin":8291,"position":4},"title":"La Nasa aurait rep\u00e9r\u00e9 des volcans de glace sur Pluton","author":"Admin","date":"11 novembre 2015","format":false,"excerpt":"Il faut maintenant attendre de mieux conna\u00eetre la composition des mat\u00e9riaux observ\u00e9s pour en savoir plus. L'analyse des images captur\u00e9es en juillet 2015\u00a0par la sonde New Horizons viennent de livrer de nouvelles surprises. Les scientifiques qui travaillent sur cette mission de la Nasa, lanc\u00e9e il y a neuf ans et\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/pluton-cryovolcan.jpg?fit=640%2C474&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/pluton-cryovolcan.jpg?fit=640%2C474&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/pluton-cryovolcan.jpg?fit=640%2C474&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":14011,"url":"https:\/\/www.laterredufutur.com\/accueil\/pluton-recelerait-un-ocean-qui-contiendrait-plus-deau-que-tous-les-oceans-de-la-terre\/","url_meta":{"origin":8291,"position":5},"title":"Pluton rec\u00e8lerait un oc\u00e9an qui contiendrait plus d&rsquo;eau que tous les oc\u00e9ans de la Terre","author":"Admin","date":"2 d\u00e9cembre 2016","format":false,"excerpt":"Pluton, ce bout de roche tout petit et si distant de notre Terre, qui n'a m\u00eame plus droit au titre de plan\u00e8te, vient pourtant de r\u00e9v\u00e9ler un secret int\u00e9ressant. L'astre rec\u00e8lerait un oc\u00e9an qui contiendrait au moins autant d'eau que tous les oc\u00e9ans et mers de notre plan\u00e8te. C'est la\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/pluton.jpg?fit=700%2C484&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/pluton.jpg?fit=700%2C484&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/pluton.jpg?fit=700%2C484&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/pluton.jpg?fit=700%2C484&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/8291","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/comments?post=8291"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/8291\/revisions"}],"predecessor-version":[{"id":8293,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/8291\/revisions\/8293"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/8292"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=8291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=8291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=8291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}