{"id":69307,"date":"2025-03-16T14:28:02","date_gmt":"2025-03-16T14:28:02","guid":{"rendered":"https:\/\/www.africa-press.net\/centrafricaine\/politique\/hera-suivez-en-direct-la-revelation-des-images-du-survol-de-mars"},"modified":"2025-03-16T14:28:02","modified_gmt":"2025-03-16T14:28:02","slug":"hera-suivez-en-direct-la-revelation-des-images-du-survol-de-mars","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/centrafricaine\/toutes-les-actualites\/hera-suivez-en-direct-la-revelation-des-images-du-survol-de-mars","title":{"rendered":"Hera : suivez en direct la r\u00e9v\u00e9lation des images du survol de Mars"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; CentrAfricaine. <\/strong><\/span>Le 12 mars 2025, la sonde Hera a survole\u0301 Mars a\u0300 une distance de 5 000 km avant de fro\u0302ler Deimos a\u0300 seulement 1 000 km, offrant une occasion unique d\u2019observer cette myste\u0301rieuse petite lune martienne. Aujourd\u2019hui, l\u2019Agence spatiale europe\u0301enne (ESA) diffusera en direct les premie\u0300res images capture\u0301es par les instruments de l&rsquo;engin.<\/p>\n<p><b>Re\u0301ve\u0301lation en direct <\/b><\/p>\n<p>Cette retransmission sera l&rsquo;occasion de de\u0301couvrir en haute re\u0301solution la surface de Deimos et d\u2019examiner ses caracte\u0301ristiques ge\u0301ologiques. Les scientifiques espe\u0300rent ainsi avoir plus de donne\u0301es pour de\u0301terminer l&rsquo;origine des deux lunes martiennes: une the\u0301orie veut que Deimos et Phobos (l\u2019autre lune de Mars) proviennent de la ceinture principale d\u2019aste\u0301roi\u0308des.<\/p>\n<p>Une autre sugge\u0300re qu&rsquo;un impact avec la plane\u0300te rouge serait a\u0300 l\u2019origine de leur formation. Les donne\u0301es de Hera pourraient apporter des e\u0301le\u0301ments de re\u0301ponse et comple\u0301ter celles qui seront collecte\u0301es par la mission japonaise MMX (Martian Moons eXploration), attendue pour 2026.<\/p>\n<p><b>En route vers Didymos<\/b><\/p>\n<p>Hera a pour objectif premier d\u2019e\u0301valuer les effets de l&rsquo;impact de la mission DART sur le syste\u0300me binaire d&rsquo;aste\u0301roi\u0308des Didymos, et plus particulie\u0300rement de Dimorphos, la petite lune impacte\u0301e en 2022. Son passage autour de Mars lui a permis de profiter de l&rsquo;assistance gravitationnelle de la plane\u0300te pour se diriger vers sa cible qu&rsquo;elle atteindra en de\u0301cembre 2026.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <span style=\"color: #ff6600\">CentrAfricaine<\/span>, suivez <span style=\"color: #ff6600\">Africa-Press<span style=\"color: #ff6600\"><\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; CentrAfricaine. Le 12 mars 2025, la sonde Hera a survole\u0301 Mars a\u0300 une distance de 5 000 km avant de fro\u0302ler Deimos a\u0300 seulement 1 000 km, offrant une occasion unique d\u2019observer cette myste\u0301rieuse petite lune martienne. Aujourd\u2019hui, l\u2019Agence spatiale europe\u0301enne (ESA) diffusera en direct les premie\u0300res images capture\u0301es par les instruments de [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":69306,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[30],"class_list":["post-69307","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-centrafricaine"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Hera : suivez en direct la r\u00e9v\u00e9lation des images du survol de Mars - centrafricaine<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.africa-press.net\/centrafricaine\/politique\/hera-suivez-en-direct-la-revelation-des-images-du-survol-de-mars\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hera : suivez en direct la r\u00e9v\u00e9lation des images du survol de Mars\" \/>\n<meta property=\"og:description\" content=\"Africa-Press &#8211; CentrAfricaine. 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