{"id":8147,"date":"2015-09-09T18:43:37","date_gmt":"2015-09-09T16:43:37","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=8147"},"modified":"2015-09-09T18:49:34","modified_gmt":"2015-09-09T16:49:34","slug":"nouvelle-photo-de-ceres-qui-apporte-plus-de-precision-visuelle","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/nouvelle-photo-de-ceres-qui-apporte-plus-de-precision-visuelle\/","title":{"rendered":"Nouvelle photo de C\u00e9r\u00e8s qui apporte plus de pr\u00e9cisions visuelles"},"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;\">Depuis son orbite actuelle autour de la plan\u00e8te naine C\u00e9r\u00e8s, la sonde Dawn revisite les curiosit\u00e9s qu&rsquo;elle a d\u00e9couvertes au cours des derniers mois. Parmi elles, il y a ces myst\u00e9rieuses taches blanches, en apparence \u00e9clatantes au beau milieu d&rsquo;un crat\u00e8re d&rsquo;impact, qui a re\u00e7u depuis le nom d&rsquo;Occator.<\/p>\n<p style=\"text-align: justify;\">Sur cette image r\u00e9cente (la Nasa n&rsquo;a pas pr\u00e9cis\u00e9 la date) prise depuis une altitude de 1470 km, on voit en d\u00e9tail les deux zones blanches qui si\u00e8gent au centre du crat\u00e8re de 90 km de diam\u00e8tre (comme le crat\u00e8re Copernic sur la Lune).<\/p>\n<p style=\"text-align: justify;\">La r\u00e9solution est d&rsquo;environ 140 m par pixel et l&rsquo;on devine que le site de la tache la moins brillante pr\u00e9sente un aspect l\u00e9g\u00e8rement chahut\u00e9. Celui-ci fait penser aux d\u00e9pressions claires vues sur Mercure ou encore \u00e0 l&rsquo;\u00e9tonnante Ina, sur la Lune.<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/lK03byyCFVs?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=fr-FR&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/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><a href=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/09\/Ceres.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"8148\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/nouvelle-photo-de-ceres-qui-apporte-plus-de-precision-visuelle\/ceres-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/09\/Ceres.jpg?fit=960%2C960&amp;ssl=1\" data-orig-size=\"960,960\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Ceres\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/09\/Ceres.jpg?fit=800%2C800&amp;ssl=1\" class=\"alignnone size-full wp-image-8148\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/09\/Ceres.jpg?resize=960%2C960\" alt=\"Ceres\" width=\"960\" height=\"960\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/09\/Ceres.jpg?w=960&amp;ssl=1 960w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/09\/Ceres.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/09\/Ceres.jpg?resize=800%2C800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/a><\/p>\n<p style=\"text-align: justify;\">Meme si la r\u00e9solution de l&rsquo;image est encore insuffisante pour confirmer cette similitude, le fait qu&rsquo;Occator se trouve \u00e0 la position o\u00f9 des \u00e9missions de vapeur d&rsquo;eau avaient \u00e9t\u00e9 d\u00e9couvertes sugg\u00e8re que ces terrains sont le th\u00e9\u00e2tre d&rsquo;une activit\u00e9 de type \u00ab\u00a0geyser\u00a0\u00bb. Enfin, des \u00ab\u00a0brumes\u00a0\u00bb ont aussi \u00e9t\u00e9 identifi\u00e9es aux alentours par Dawn.<\/p>\n<p style=\"text-align: justify;\">En l&rsquo;absence de donn\u00e9es spectrales, il demeure bien difficile de dire si l&rsquo;\u00e9clat de ces zones est d\u00fb \u00e0 de la glace, ou plus simplement \u00e0 des d\u00e9p\u00f4ts clairs.<\/p>\n<p style=\"text-align: justify;\">Gr\u00e2ce \u00e0 cette image, les responsables de la mission ont \u00e9galement pu d\u00e9terminer que certains remparts du crat\u00e8re Occator \u00e9taient des falaises quasiment verticales de 2000 m de hauteur, comme le sugg\u00e8re une animation vid\u00e9o.<\/p>\n<p><a href=\"http:\/\/www.laterredufutur.com\/accueil\/\" target=\"_blank\">TDF<\/a><\/p>\n<p>sources : <a href=\"http:\/\/www.nasa.gov\/\" target=\"_blank\">http:\/\/www.nasa.gov\/<\/a>\u00a0\/\u00a0<a href=\"http:\/\/www.cieletespace.fr\/\" target=\"_blank\">http:\/\/www.cieletespace.fr\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"8147\">(336)<\/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>Depuis son orbite actuelle autour de la plan\u00e8te naine C\u00e9r\u00e8s, la sonde Dawn revisite les curiosit\u00e9s qu&rsquo;elle a d\u00e9couvertes au&#8230;<\/p>\n","protected":false},"author":1,"featured_media":8148,"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_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},"jetpack_post_was_ever_published":false},"categories":[22],"tags":[4285,884,4287,538,117,267,121,4286,702,363,2982],"class_list":["post-8147","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-ceres","tag-cratere","tag-dawn","tag-decouverte","tag-espace","tag-glace","tag-planete","tag-planete-naine","tag-sonde","tag-systeme-solaire","tag-taches","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/09\/Ceres.jpg?fit=960%2C960&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-27p","jetpack-related-posts":[{"id":6537,"url":"https:\/\/www.laterredufutur.com\/accueil\/nouvelles-images-exceptionnelles-de-ceres\/","url_meta":{"origin":8147,"position":0},"title":"Nouvelles images exceptionnelles de C\u00e9r\u00e8s","author":"Admin","date":"11 mai 2015","format":false,"excerpt":"Il y a quelques semaines, C\u00e9r\u00e8s avait fait la une, un point\u00a0lumineux avait \u00e9t\u00e9 observ\u00e9 et restait tout \u00e0 fait myst\u00e9rieux. Voici\u00a0une nouvelle s\u00e9quence d'images o\u00f9 la\u00a0r\u00e9solution est nettement sup\u00e9rieure et elles ont \u00e9t\u00e9 prises par la sonde Dawn de la NASA du 3 et 4 mai 2015. Les myst\u00e9rieux\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\/05\/ceres.jpg?fit=800%2C600&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/ceres.jpg?fit=800%2C600&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/ceres.jpg?fit=800%2C600&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/ceres.jpg?fit=800%2C600&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":7514,"url":"https:\/\/www.laterredufutur.com\/accueil\/ceres-apres-les-points-lumineux-une-mysterieuse-pyramide\/","url_meta":{"origin":8147,"position":1},"title":"C\u00e9r\u00e8s: apr\u00e8s les points lumineux, une myst\u00e9rieuse pyramide","author":"Admin","date":"30 juin 2015","format":false,"excerpt":"Une montagne en forme de pyramide haute comme le Mont Blanc, plant\u00e9e au milieu d'une plaine sur une \"plan\u00e8te naine\". C'est le dernier myst\u00e8re d\u00e9couvert sur C\u00e9r\u00e8s par la sonde Dawn. D\u00e9cid\u00e9ment, C\u00e9r\u00e8s entretient le myst\u00e8re. La plan\u00e8te naine, scrut\u00e9e par la sonde am\u00e9ricaine Dawn en orbite autour d'elle depuis\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\/06\/ceres-pyramide.jpg?fit=800%2C450&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/ceres-pyramide.jpg?fit=800%2C450&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/ceres-pyramide.jpg?fit=800%2C450&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/ceres-pyramide.jpg?fit=800%2C450&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":9868,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-sonde-dawn-detecte-la-presence-dammoniac-sur-ceres\/","url_meta":{"origin":8147,"position":2},"title":"La sonde DAWN d\u00e9tecte la pr\u00e9sence d&rsquo;ammoniac sur C\u00e9r\u00e8s","author":"Admin","date":"10 d\u00e9cembre 2015","format":false,"excerpt":"Des traces d'argile contenant de l'ammoniac ! Ces donn\u00e9es ont \u00e9t\u00e9\u00a0enregistr\u00e9es par l'instrument de la sonde spatiale Aube VIR de\u00a0la surface de la plan\u00e8te naine C\u00e9r\u00e8s. Les r\u00e9sultats, obtenus gr\u00e2ce au\u00a0VIR du spectrom\u00e8tre d'imagerie, faite par Selex Galileo avec la coordination et le financement de l'ASI et l'orientation scientifique IAPS-INAF,\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\/ceres.png?fit=644%2C362&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/12\/ceres.png?fit=644%2C362&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/12\/ceres.png?fit=644%2C362&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":11566,"url":"https:\/\/www.laterredufutur.com\/accueil\/ceres-devoilee-dans-ses-moindres-details\/","url_meta":{"origin":8147,"position":3},"title":"C\u00e9r\u00e8s d\u00e9voil\u00e9e dans ses moindres d\u00e9tails","author":"Admin","date":"24 mars 2016","format":false,"excerpt":"Notre vaisseau spatial Dawn\u00a0a r\u00e9v\u00e9l\u00e9 des images merveilleuses de l'orbite la plus basse de\u00a0la\u00a0plan\u00e8te naine Ceres, r\u00e9v\u00e9lant les points lumineux et les diff\u00e9rences de couleur sur la surface. Jetez un coup d' oeil... Ces images sont in\u00e9dites : https:\/\/youtu.be\/nJiw2NxqoBU?list=PLTiv_XWHnOZpbLZz4C2iQW2bgfdzKMbhS C\u00e9r\u00e8s d\u00e9voil\u00e9e dans ses moindres d\u00e9tails \u00a0 \u00a0","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\/03\/taches-ceres.jpg?fit=975%2C548&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/03\/taches-ceres.jpg?fit=975%2C548&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/03\/taches-ceres.jpg?fit=975%2C548&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/03\/taches-ceres.jpg?fit=975%2C548&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":10928,"url":"https:\/\/www.laterredufutur.com\/accueil\/ceres-comme-si-vous-y-etiez\/","url_meta":{"origin":8147,"position":4},"title":"C\u00e9r\u00e8s, comme si vous y \u00e9tiez","author":"Admin","date":"6 f\u00e9vrier 2016","format":false,"excerpt":"Ce qui suit est une video fabuleuse de C\u00e9r\u00e8s dans toute sa splendeur. C\u00e9r\u00e8s intrigue en effet les chercheurs depuis longtemps: d\u00e9couverte en 1801, elle a \u00e9t\u00e9 d'abord consid\u00e9r\u00e9e comme une plan\u00e8te, puis comme un ast\u00e9ro\u00efde, et finalement comme une \"plan\u00e8te-naine\" depuis 2006. Tous s'interrogent sur la pr\u00e9sence de plus\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\/ceres.png?fit=644%2C362&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/12\/ceres.png?fit=644%2C362&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/12\/ceres.png?fit=644%2C362&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":15292,"url":"https:\/\/www.laterredufutur.com\/accueil\/21-may-2017-1050\/","url_meta":{"origin":8147,"position":5},"title":"Ceres \u00e0 l&rsquo;opposition du soleil par la sonde DAWN","author":"Admin","date":"21 mai 2017","format":"chat","excerpt":"Le vaisseau spatial Dawn de la NASA a observ\u00e9 avec succ\u00e8s Ceres \u00e0 l'opposition le 29 avril, prenant des images d'une position exacte entre le soleil et la surface de Ceres. Les sp\u00e9cialistes de la mission ont soigneusement man\u0153uvr\u00e9 Dawn dans une orbite sp\u00e9ciale pour que l'engin spatial puisse voir\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\/05\/pia19547-1041b.gif?fit=1041%2C894&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/pia19547-1041b.gif?fit=1041%2C894&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/pia19547-1041b.gif?fit=1041%2C894&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/pia19547-1041b.gif?fit=1041%2C894&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/8147","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=8147"}],"version-history":[{"count":3,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/8147\/revisions"}],"predecessor-version":[{"id":8151,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/8147\/revisions\/8151"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/8148"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=8147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=8147"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=8147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}