{"id":21630,"date":"2025-11-04T08:55:07","date_gmt":"2025-11-04T07:55:07","guid":{"rendered":"https:\/\/reperes-astro.fr\/?p=21630"},"modified":"2025-11-04T17:45:54","modified_gmt":"2025-11-04T16:45:54","slug":"dernieres-nouvelles-de-voyager-2","status":"publish","type":"post","link":"https:\/\/reperes-astro.fr\/dernieres-nouvelles-de-voyager-2\/","title":{"rendered":"Derni\u00e8res nouvelles de Voyager 2"},"content":{"rendered":"\n

Le 5 novembre<\/span> :<\/strong><\/h2>\n\n\n
\n
\"Derni\u00e8res<\/a><\/figure>\n<\/div>\n\n\n

DERNIERES NOUVELLES DE VOYAGER 2<\/strong><\/p>\n\n\n\n

La NASA a r\u00e9ussi \u00e0 r\u00e9tablir le contact complet avec sa sonde<\/a><\/strong> en utilisant son \u00e9metteur de plus haute puissance pour envoyer un \u00ab\u00a0cri interstellaire\u00a0\u00bb qui a r\u00e9orient\u00e9 l’engin spatial et point\u00e9 son antenne de nouveau vers la Terre. Les contr\u00f4leurs de mission ont d\u00fb attendre 37 heures pour savoir si la commande avait r\u00e9ussi, et c’est le cas. Le vaisseau spatial a commenc\u00e9 \u00e0 renvoyer des donn\u00e9es scientifiques et de t\u00e9l\u00e9m\u00e9trie, indiquant qu’il fonctionne normalement et reste sur sa trajectoire pr\u00e9vue.<\/p>\n\n\n\n

Voyager 2<\/strong><\/em> a rempli avec succ\u00e8s sa mission principale de visiter le syst\u00e8me Jovien<\/a><\/strong> en 1979, le syst\u00e8me Saturnien<\/a><\/strong> en 1981, le syst\u00e8me Uranien<\/strong><\/a> en 1986 et le syst\u00e8me Neptunien<\/strong><\/a> en 1989.<\/p>\n\n\n\n

La sonde est entr\u00e9e dans le milieu interstellaire le 5 novembre 2018, \u00e0 une distance de 119,7 UA<\/a><\/strong> (17,9 milliards de km) du Soleil<\/a> <\/strong>en se d\u00e9pla\u00e7ant \u00e0 une vitesse de 15,341 km\/s par rapport au Soleil. Voyager 2<\/em> a quitt\u00e9 l’h\u00e9liosph\u00e8re<\/a><\/strong> du Soleil et voyage \u00e0 travers le milieu interstellaire,<\/p>\n\n\n\n

Le vaisseau spatial est dans sa mission \u00e9tendue d’\u00e9tudier le milieu interstellaire<\/strong><\/a>. Il est \u00e0 une distance de 139,26 UA (20,8 milliards de km) de la Terre en Mai 2025.<\/p>\n\n\n\n

Bien que vieillissante et \u00ab\u00a0amput\u00e9e\u00a0\u00bb des 3\/4 de ses instruments pour \u00e9conomiser son \u00e9nergie, \u00e0 cause de la distance faramineuse qui la s\u00e9pare du Soleil, Voyager 2 tient le coup. <\/p>\n\n\n

\n
\"\"<\/a>
Trajectoire de la sonde depuis son lancement le 20 Ao\u00fbt 1977.<\/figcaption><\/figure>\n<\/div>
<\/div>

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<\/div>","protected":false},"excerpt":{"rendered":"

Le 5 novembre : DERNIERES NOUVELLES DE VOYAGER 2 La NASA a r\u00e9ussi \u00e0 r\u00e9tablir le contact complet avec sa sonde...<\/p>\n

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<\/div>\n","protected":false},"author":2,"featured_media":21666,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[63,49],"tags":[],"class_list":["post-21630","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","category-informations-a-destination-des-enseignants-et-des-animateurs"],"yoast_head":"Derni\u00e8res nouvelles de Voyager 2 - Rep\u00e8res Astro<\/title>\n<meta name=\"description\" content=\"DERNIERES NOUVELLES DE VOYAGER 2. 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