{"id":50446,"date":"2020-08-12T03:49:07","date_gmt":"2020-08-12T03:49:07","guid":{"rendered":"https:\/\/blogging-techies.com\/fr\/un-enorme-asteroide-a-franchi-la-terre-ce-jeudi\/"},"modified":"2020-08-12T03:49:07","modified_gmt":"2020-08-12T03:49:07","slug":"un-enorme-asteroide-a-franchi-la-terre-ce-jeudi","status":"publish","type":"post","link":"https:\/\/blogging-techies.com\/fr\/un-enorme-asteroide-a-franchi-la-terre-ce-jeudi\/","title":{"rendered":"Un \u00e9norme ast\u00e9ro\u00efde a franchi la Terre ce jeudi"},"content":{"rendered":"<p>Un gros ast\u00e9ro\u00efde a franchi la Terre jeudi.  Cependant, vous n&#8217;avez pas \u00e0 vous inqui\u00e9ter car il n&#8217;y a aucune chance qu&#8217;il entre en collision avec notre plan\u00e8te.  La roche spatiale est estim\u00e9e \u00e0 environ trois fois la taille d&#8217;un terrain de football et a d\u00e9pass\u00e9 la Terre \u00e0 une distance d&#8217;environ 6,7 millions de kilom\u00e8tres le 27 juin.  L&#8217;ast\u00e9ro\u00efde a \u00e9t\u00e9 nomm\u00e9 KV2 2008 et sera sous observation par la NASA \u00e0 l&#8217;approche de la Terre.<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" data-attachment-id=\"176539\" data-permalink=\"https:\/\/wonderfulengineering.com\/a-huge-asteroid-made-its-way-past-earth-this-thursday\/01-2008-kv2-is-the-name-of-the-asteroid-that-passed-earth-recently\/\" data-orig-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/06\/01.-2008-KV2-Is-The-Name-Of-The-Asteroid-That-Passed-Earth-Recently.jpg\" data-orig-size=\"744,419\" data-comments-opened=\"1\" data-image-meta=\"{\" aperture=\"\" data-image-title=\"01. 2008 KV2 Is The Name Of The Asteroid That Passed Earth Recently!\" data-image-description=\"\" data-medium-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/06\/01.-2008-KV2-Is-The-Name-Of-The-Asteroid-That-Passed-Earth-Recently-610x344.jpg\" data-large-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/06\/01.-2008-KV2-Is-The-Name-Of-The-Asteroid-That-Passed-Earth-Recently.jpg\" data-lazy-type=\"image\" src=\"https:\/\/blogging-techies.com\/wp-content\/uploads\/2020\/06\/Un-enorme-asteroide-se-abrio-paso-mas-alla-de-la.jpg\" alt=\"2008 KV2 est le nom de l'ast\u00e9ro\u00efde qui a pass\u00e9 la Terre r\u00e9cemment!\" class=\"lazy lazy-hidden wp-image-176539\"><\/figure>\n<p>Quand on consid\u00e8re le mot \u00abfermer\u00bb en termes d&#8217;espace, c&#8217;est en fait tr\u00e8s loin.  Pour vous donner une perspective, la lune est \u00e0 une distance d&#8217;environ 384 400 km d&#8217;Eartha, et 2008 KV2 voyageait \u00e0 une distance qui est 17 fois cette distance.  Le KV2 2008, comme son nom l&#8217;indique, a \u00e9t\u00e9 d\u00e9couvert en 2008. L&#8217;ast\u00e9ro\u00efde n&#8217;est pas un visiteur unique car il est en orbite autour du soleil et fera un autre passage en 2021 avec deux autres passages pr\u00e9vus pour 2022.<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" data-attachment-id=\"176537\" data-permalink=\"https:\/\/wonderfulengineering.com\/a-huge-asteroid-made-its-way-past-earth-this-thursday\/04-2008-kv2-is-the-name-of-the-asteroid-that-passed-earth-recently\/\" data-orig-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/06\/04.-2008-KV2-Is-The-Name-Of-The-Asteroid-That-Passed-Earth-Recently.jpg\" data-orig-size=\"1777,1000\" data-comments-opened=\"1\" data-image-meta=\"{\" aperture=\"\" data-image-title=\"04. 2008 KV2 Is The Name Of The Asteroid That Passed Earth Recently!\" data-image-description=\"\" data-medium-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/06\/04.-2008-KV2-Is-The-Name-Of-The-Asteroid-That-Passed-Earth-Recently-610x343.jpg\" data-large-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/06\/04.-2008-KV2-Is-The-Name-Of-The-Asteroid-That-Passed-Earth-Recently-1024x576.jpg\" data-lazy-type=\"image\" src=\"https:\/\/cdn.wonderfulengineering.com\/wp-content\/uploads\/2019\/06\/04.-2008-KV2-Is-The-Name-Of-The-Asteroid-That-Passed-Earth-Recently-1024x576.jpg\" alt=\"2008 KV2 est le nom de l'ast\u00e9ro\u00efde qui a pass\u00e9 la Terre r\u00e9cemment!\" class=\"lazy lazy-hidden wp-image-176537\"><\/figure>\n<p>2008 KV2 est class\u00e9 comme un objet g\u00e9ocroiseur (NEO).  Pour obtenir ce label, l&#8217;ast\u00e9ro\u00efde doit passer \u00e0 moins d&#8217;un million de kilom\u00e8tres de l&#8217;orbite terrestre.  Malgr\u00e9 le fait que KV2 2008 \u00e9tait encore loin, il a \u00e9t\u00e9 class\u00e9 comme un \u00abast\u00e9ro\u00efde potentiellement dangereux\u00bb selon le Center for Near Earth Object Studies du JPL.  Parce que?  En raison de sa taille inhabituellement grande et de sa foul\u00e9e relativement serr\u00e9e.<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" data-attachment-id=\"176538\" data-permalink=\"https:\/\/wonderfulengineering.com\/a-huge-asteroid-made-its-way-past-earth-this-thursday\/02-2008-kv2-is-the-name-of-the-asteroid-that-passed-earth-recently\/\" data-orig-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/06\/02.-2008-KV2-Is-The-Name-Of-The-Asteroid-That-Passed-Earth-Recently.jpg\" data-orig-size=\"750,445\" data-comments-opened=\"1\" data-image-meta=\"{\" aperture=\"\" data-image-title=\"02. 2008 KV2 Is The Name Of The Asteroid That Passed Earth Recently!\" data-image-description=\"\" data-medium-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/06\/02.-2008-KV2-Is-The-Name-Of-The-Asteroid-That-Passed-Earth-Recently-610x362.jpg\" data-large-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/06\/02.-2008-KV2-Is-The-Name-Of-The-Asteroid-That-Passed-Earth-Recently.jpg\" data-lazy-type=\"image\" src=\"https:\/\/cdn.wonderfulengineering.com\/wp-content\/uploads\/2019\/06\/02.-2008-KV2-Is-The-Name-Of-The-Asteroid-That-Passed-Earth-Recently.jpg\" alt=\"2008 KV2 est le nom de l'ast\u00e9ro\u00efde qui a pass\u00e9 la Terre r\u00e9cemment!\" class=\"lazy lazy-hidden wp-image-176538\"><\/figure>\n<p>La roche a d\u00e9pass\u00e9 la Terre \u00e0 0,05 unit\u00e9 astronomique (UA), une UA est \u00e9gale \u00e0 la distance moyenne entre le soleil et la Terre, \u00e0 une vitesse d&#8217;environ 40 800 km \/ h.  Les ast\u00e9ro\u00efdes ont \u00e9t\u00e9 l&#8217;objectif principal de la NASA au cours des douze derniers mois.  En avril, la Conf\u00e9rence sur la d\u00e9fense plan\u00e9taire a eu lieu et les scientifiques ont discut\u00e9 des strat\u00e9gies de suivi et d&#8217;analyse des objets g\u00e9ocroiseurs.  Un autre gros ast\u00e9ro\u00efde nomm\u00e9 Apophis qui passera la Terre le 13 avril 2029 figurait en t\u00eate de liste.<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" data-attachment-id=\"176536\" data-permalink=\"https:\/\/wonderfulengineering.com\/a-huge-asteroid-made-its-way-past-earth-this-thursday\/03-2008-kv2-is-the-name-of-the-asteroid-that-passed-earth-recently\/\" data-orig-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/06\/03.-2008-KV2-Is-The-Name-Of-The-Asteroid-That-Passed-Earth-Recently.jpg\" data-orig-size=\"910,549\" data-comments-opened=\"1\" data-image-meta=\"{\" aperture=\"\" data-image-title=\"03. 2008 KV2 Is The Name Of The Asteroid That Passed Earth Recently!\" data-image-description=\"\" data-medium-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/06\/03.-2008-KV2-Is-The-Name-Of-The-Asteroid-That-Passed-Earth-Recently-610x368.jpg\" data-large-file=\"https:\/\/wonderfulengineering.com\/wp-content\/uploads\/2019\/06\/03.-2008-KV2-Is-The-Name-Of-The-Asteroid-That-Passed-Earth-Recently.jpg\" data-lazy-type=\"image\" src=\"https:\/\/cdn.wonderfulengineering.com\/wp-content\/uploads\/2019\/06\/03.-2008-KV2-Is-The-Name-Of-The-Asteroid-That-Passed-Earth-Recently.jpg\" alt=\"2008 KV2 est le nom de l'ast\u00e9ro\u00efde qui a pass\u00e9 la Terre r\u00e9cemment!\" class=\"lazy lazy-hidden wp-image-176536\"><\/figure>\n<p>David Farnocchia, astronome au Nea Center for Earth Object Studies du JPL, a d\u00e9clar\u00e9: \u00abNous savons d\u00e9j\u00e0 que la rencontre rapproch\u00e9e avec la Terre changera l&#8217;orbite d&#8217;Apophis, mais nos mod\u00e8les montrent \u00e9galement que l&#8217;approche rapproch\u00e9e pourrait changer la fa\u00e7on dont Cet ast\u00e9ro\u00efde tourne, et il peut y avoir des changements \u00e0 la surface, comme de petites avalanches. &#8220;<\/p>\n   ","protected":false},"excerpt":{"rendered":"<p>Un gros ast\u00e9ro\u00efde a franchi la Terre jeudi. Cependant, vous n&#8217;avez pas \u00e0 vous inqui\u00e9ter car il n&#8217;y a aucune chance qu&#8217;il entre en collision avec notre plan\u00e8te. La roche spatiale est estim\u00e9e \u00e0 environ trois fois la taille d&#8217;un terrain de football et a d\u00e9pass\u00e9 la Terre \u00e0 une distance d&#8217;environ 6,7 millions de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":50447,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-50446","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs"],"_links":{"self":[{"href":"https:\/\/blogging-techies.com\/fr\/wp-json\/wp\/v2\/posts\/50446","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogging-techies.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogging-techies.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogging-techies.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blogging-techies.com\/fr\/wp-json\/wp\/v2\/comments?post=50446"}],"version-history":[{"count":0,"href":"https:\/\/blogging-techies.com\/fr\/wp-json\/wp\/v2\/posts\/50446\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blogging-techies.com\/fr\/wp-json\/wp\/v2\/media\/50447"}],"wp:attachment":[{"href":"https:\/\/blogging-techies.com\/fr\/wp-json\/wp\/v2\/media?parent=50446"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogging-techies.com\/fr\/wp-json\/wp\/v2\/categories?post=50446"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogging-techies.com\/fr\/wp-json\/wp\/v2\/tags?post=50446"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}