Il y aurait bien eu de la vie sur Mars, cette nouvelle d\u00e9couverte d\u00e9voile un indice capital<\/title>\n<meta name=\"description\" content=\"Une r\u00e9cente d\u00e9couverte appuie un peu plus l'hypoth\u00e8se d'une vie martienne pass\u00e9e. 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{"id":2622813,"date":"2024-11-27T12:13:17","date_gmt":"2024-11-27T11:13:17","guid":{"rendered":"https:\/\/www.phonandroid.com\/?p=2622813"},"modified":"2024-11-27T12:13:17","modified_gmt":"2024-11-27T11:13:17","slug":"il-y-aurait-bien-eu-de-la-vie-sur-mars-cette-nouvelle-decouverte-devoile-un-indice-capital","status":"publish","type":"post","link":"https:\/\/www.phonandroid.com\/il-y-aurait-bien-eu-de-la-vie-sur-mars-cette-nouvelle-decouverte-devoile-un-indice-capital.html","title":{"rendered":"Il y aurait bien eu de la vie sur Mars, cette nouvelle d\u00e9couverte d\u00e9voile un indice capital"},"content":{"rendered":"

Une r\u00e9cente d\u00e9couverte appuie un peu plus l'hypoth\u00e8se d'une vie martienne pass\u00e9e. La plan\u00e8te rouge aurait bien abrit\u00e9 des organismes vivants \u00e0 une \u00e9poque lointaine, voici ce qui le laisse penser.<\/strong><\/p>\n

\"Mars\"
Cr\u00e9dits : 123RF<\/figcaption><\/figure>\n

Qu'on s'y rende \u00e0 bord d'une fus\u00e9e<\/a> ou bien \u00e0 dos d'ast\u00e9ro\u00efde<\/a>, nous finirons t\u00f4t ou tard par nous rendre sur Mars<\/strong>. Certains comme Elon Musk imaginent d\u00e9j\u00e0 les futures colonies humaines qui viendront s'installer sur la plan\u00e8te rouge<\/a>, mais en attendant, une question fondamentale subsiste : est-ce qu'il y a eu de la vie sur Mars <\/strong>? Si beaucoup d\u2019\u0153uvres de science-fiction aiment r\u00e9pondre par l'affirmative, la r\u00e9alit\u00e9 invite \u00e0 la prudence. Pourtant, plusieurs d\u00e9couvertes vont dans ce sens.<\/p>\n

Des roches martiennes montrent des signes de pr\u00e9sence d'eau<\/a> par exemple. Une hypoth\u00e8se d'autant plus plausible depuis que l'on a d\u00e9couvert les traces d'un ancien oc\u00e9an \u00e0 sa surface<\/a>. Et nous le savons pertinemment pour en \u00eatre le produit : l\u00e0 o\u00f9 il y a de l'eau \u00e0 l'\u00e9tat liquide, il y a potentiellement de la vie. L'\u00e9tude<\/a> publi\u00e9e dans Science Advances enfonce le clou apr\u00e8s l'analyse d'un fragment de la m\u00e9t\u00e9orite martienne la plus c\u00e9l\u00e8bre au monde : Black Beauty<\/strong>.<\/p>\n