{"id":14986,"date":"2017-04-19T00:00:53","date_gmt":"2017-04-18T22:00:53","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=14986"},"modified":"2017-04-09T18:21:11","modified_gmt":"2017-04-09T16:21:11","slug":"un-asteroide-dun-kilometre-de-diametre-devrait-froler-la-terre-ce-19-avril","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/un-asteroide-dun-kilometre-de-diametre-devrait-froler-la-terre-ce-19-avril\/","title":{"rendered":"Un ast\u00e9ro\u00efde d&rsquo;un kilom\u00e8tre de diam\u00e8tre devrait \u00abfr\u00f4ler\u00bb la Terre ce 19 avril"},"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>Le gros caillou filant dans l&rsquo;espace devrait passer \u00e0 plus de deux millions de kilom\u00e8tres de notre plan\u00e8te&#8230; Un ast\u00e9ro\u00efde mesurant un kilom\u00e8tre de diam\u00e8tre va passer \u00e0 proximit\u00e9 de la Terre le 19 avril. Baptis\u00e9 \u00ab 2014 JO25 \u00bb, l\u2019objet spatial est consid\u00e9r\u00e9 comme \u00ab potentiellement dangereux \u00bb par la Nasa. Un ast\u00e9ro\u00efde est consid\u00e9r\u00e9 \u00ab tr\u00e8s dangereux \u00bb en cas de collision avec la Terre, \u00e0 partir de 140 m\u00e8tres de diam\u00e8tre, rappelle Ouest-France. Encore faut-il qu\u2019une collision ait lieu.<\/p>\n<p>Mais dans le cas de \u00ab 2014 JO25 \u00bb, d\u00e9couvert par le sp\u00e9cialiste de l\u2019espace britannique Ron Baalke, les risques sont relatifs, car l\u2019ast\u00e9ro\u00efde va effectuer son passage \u00e0 plus de deux millions de kilom\u00e8tres de notre plan\u00e8te. Une belle marge, m\u00eame si l\u2019agence spatiale am\u00e9ricaine pr\u00e9cise qu\u2019il s\u2019agit du plus proche passage d\u2019un ast\u00e9ro\u00efde de cette taille au cours de la derni\u00e8re d\u00e9cennie.<\/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\/uAmNmnV5ujM?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>\u00ab Rien d\u2019effrayant dans ce type de ph\u00e9nom\u00e8ne \u00bb<\/p>\n<p>Inutile donc de lancer Bruce Willis a l\u2019assaut du gros caillou filant dans l\u2019espace, comme c\u2019\u00e9tait le cas dans Armageddon en 1998. Dans le film, l\u2019objet mena\u00e7ant faisait la taille du Texas. A c\u00f4t\u00e9, \u00ab 2014 JO25 \u00bb fait figure de poussi\u00e8re.<\/p>\n<p>\u00c9voquant un autre ast\u00e9ro\u00efde d\u2019une plus petite taille qui \u00e9tait pass\u00e9 \u00e0 proximit\u00e9 de la Terre en septembre dernier, Patrick Michel, responsable des th\u00e9ories et observations en plan\u00e9tologie \u00e0 l\u2019Observatoire de la C\u00f4te d\u2019Azur explique : \u00ab la Terre est sujette \u00e0 entrer en contact avec ce genre d\u2019ast\u00e9ro\u00efdes seulement tous les 10 000 ans. Il arrive tr\u00e8s souvent qu\u2019un ast\u00e9ro\u00efde passe pr\u00e8s de la Terre. Il n\u2019y a rien d\u2019effrayant dans ce type de ph\u00e9nom\u00e8ne. \u00bb<\/p>\n<p>Et de rappeler que les sp\u00e9cialistes travaillent \u00e0 des proc\u00e9d\u00e9s permettant \u00ab de d\u00e9vier les ast\u00e9ro\u00efdes de leur trajectoire dans l\u2019espace. \u00bb<\/p>\n<p>source :&nbsp;<a href=\"http:\/\/www.20minutes.fr\/sciences\/2045727-20170407-asteroide-kilometre-diametre-devrait-froler-terre-19-avril\" target=\"_blank\">http:\/\/www.20minutes.fr\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"14986\">(460)<\/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>Le gros caillou filant dans l&rsquo;espace devrait passer \u00e0 plus de deux millions de kilom\u00e8tres de notre plan\u00e8te&#8230; Un ast\u00e9ro\u00efde&#8230;<\/p>\n","protected":false},"author":1,"featured_media":14987,"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_post_was_ever_published":false,"_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":"Un ast\u00e9ro\u00efde d'un kilom\u00e8tre de diam\u00e8tre devrait \u00abfr\u00f4ler\u00bb la Terre ce 19 avril 2017 @laterredufutur","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}},"categories":[22],"tags":[6381,118,117,121,75],"class_list":["post-14986","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-2014-jo25","tag-asteroide","tag-espace","tag-planete","tag-terre","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/04\/asteroide.jpg?fit=940%2C470&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-3TI","jetpack-related-posts":[{"id":25679,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-probabilite-que-lasteroide-apophis-frappe-la-terre-en-2029-vient-detre-revue\/","url_meta":{"origin":14986,"position":0},"title":"La probabilit\u00e9 que l\u2019ast\u00e9ro\u00efde \u00ab Apophis \u00bb frappe la Terre en 2029 vient d\u2019\u00eatre revue","author":"Admin","date":"14 mars 2024","format":false,"excerpt":"En 2029, un ast\u00e9ro\u00efde massif passera suffisamment pr\u00e8s de la Terre pour \u00eatre visible \u00e0 l\u2019oeil nu. Si les mod\u00e8les de son orbite excluent tout impact avec notre plan\u00e8te au cours des cent prochaines ann\u00e9es, des astronomes canadiens ont r\u00e9cemment explor\u00e9 la possibilit\u00e9 que des collisions avec d\u2019autres roches spatiales\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\/2022\/06\/asteroide-apophis.jpg?fit=1200%2C900&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/06\/asteroide-apophis.jpg?fit=1200%2C900&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/06\/asteroide-apophis.jpg?fit=1200%2C900&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/06\/asteroide-apophis.jpg?fit=1200%2C900&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/06\/asteroide-apophis.jpg?fit=1200%2C900&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":10916,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-asteroide-frolera-la-terre-en-mars-2016\/","url_meta":{"origin":14986,"position":1},"title":"Un ast\u00e9ro\u00efde fr\u00f4lera la Terre en mars 2016","author":"Admin","date":"12 f\u00e9vrier 2016","format":false,"excerpt":"L'agence spatiale am\u00e9ricaine (NASA) a pr\u00e9venu les habitants de la Terre de l\u2019approche d\u2019un ast\u00e9ro\u00efde de 30 m\u00e8tres de diam\u00e8tre. L'ast\u00e9ro\u00efde baptis\u00e9 2013 TX68 qui \u00e9tait pass\u00e9 \u00e0 proximit\u00e9 de la Terre il y a deux ans, repassera le 5 mars \u00e0 seulement 14.000-17.000 km, une distance 21 fois inf\u00e9rieure\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\/2016\/02\/asteroide-2013-tx68.jpg?fit=1000%2C541&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/02\/asteroide-2013-tx68.jpg?fit=1000%2C541&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/02\/asteroide-2013-tx68.jpg?fit=1000%2C541&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/02\/asteroide-2013-tx68.jpg?fit=1000%2C541&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":1592,"url":"https:\/\/www.laterredufutur.com\/accueil\/lasteroide-tv135-va-froler-la-terre-en-2032\/","url_meta":{"origin":14986,"position":2},"title":"L&rsquo;ast\u00e9ro\u00efde TV135 va fr\u00f4ler la Terre en 2032","author":"Admin","date":"20 octobre 2013","format":false,"excerpt":"Vous avez quoi de pr\u00e9vu pour le 26 ao\u00fbt 2032 ? Ce jour-l\u00e0, un ast\u00e9ro\u00efde pourrait heurter la Terre. L\u2019objet c\u00e9leste, large de 365 m\u00e8tres de diam\u00e8tre, s\u2019appelle 2013TC135 et vient d\u2019\u00eatre r\u00e9pertori\u00e9 par l\u2019agence spatiale russe alors qu\u2019il passait \u00e0 proximit\u00e9 de la Terre. Et apparemment, il pourrait en\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"asteroide","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2011\/09\/asteroide.jpg?fit=550%2C431&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2011\/09\/asteroide.jpg?fit=550%2C431&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2011\/09\/asteroide.jpg?fit=550%2C431&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":24519,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-asteroide-potentiellement-dangereux-decouvert-qui-croise-lorbite-de-la-terre\/","url_meta":{"origin":14986,"position":3},"title":"Un ast\u00e9ro\u00efde \u00ab\u00a0potentiellement dangereux\u00a0\u00bb d\u00e9couvert, qui croise l&rsquo;orbite de la Terre","author":"Admin","date":"1 novembre 2022","format":false,"excerpt":"L'ast\u00e9ro\u00efde AP7 ne menace actuellement pas de nous percuter, car il reste \"tr\u00e8s \u00e9loign\u00e9\" de la Terre lorsqu'il croise son orbite, a indiqu\u00e9 Scott Sheppard, astronome \u00e0 la Carnegie Institution for science. Des astronomes ont annonc\u00e9 lundi avoir d\u00e9tect\u00e9 un ast\u00e9ro\u00efde grand d'environ 1,5 kilom\u00e8tre dans les environs de la\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\/2022\/11\/asteroide.jpg?fit=1024%2C415&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/11\/asteroide.jpg?fit=1024%2C415&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/11\/asteroide.jpg?fit=1024%2C415&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/11\/asteroide.jpg?fit=1024%2C415&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":19648,"url":"https:\/\/www.laterredufutur.com\/accueil\/lasteroide-apophis-va-froler-la-terre-en-2029\/","url_meta":{"origin":14986,"position":4},"title":"L&rsquo;ast\u00e9ro\u00efde Apophis va fr\u00f4ler la Terre en 2029","author":"Admin","date":"3 octobre 2019","format":false,"excerpt":"Dans dix ans, le vendredi 13 avril 2029, cet objet c\u00e9leste d'environ 370 m\u00e8tres de diam\u00e8tre va passer \u00e0 moins de 36 000 kilom\u00e8tres de notre plan\u00e8te. Il sera visible \u00e0 l'\u0153il nu. 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C\/2013 A1 est, pour l'heure, son nom scientifique. La com\u00e8te d\u00e9couverte il y a quelques semaines \u00e0 l'observatoire\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"Mars","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/11\/mars3.jpg?fit=450%2C255&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/14986","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=14986"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/14986\/revisions"}],"predecessor-version":[{"id":14988,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/14986\/revisions\/14988"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/14987"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=14986"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=14986"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=14986"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}