{"id":19648,"date":"2019-10-03T17:00:07","date_gmt":"2019-10-03T15:00:07","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=19648"},"modified":"2019-09-09T08:30:31","modified_gmt":"2019-09-09T06:30:31","slug":"lasteroide-apophis-va-froler-la-terre-en-2029","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/lasteroide-apophis-va-froler-la-terre-en-2029\/","title":{"rendered":"L&rsquo;ast\u00e9ro\u00efde Apophis va fr\u00f4ler la Terre en 2029"},"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>Dans dix ans, le vendredi 13 avril 2029, cet objet c\u00e9leste d&rsquo;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&rsquo;\u0153il nu. Et les scientifiques sont formels : il n&rsquo;y a aucun risque d&rsquo;impact.<\/p>\n<p>\u00ab\u00a0Apophis a \u00e9t\u00e9 d\u00e9couvert en 2004\u00a0\u00bb, raconte Daniel Hestroffer, astronome \u00e0 l&rsquo;Observatoire de Paris. Pour autant, \u00ab\u00a0on ne sait pas \u00e0 quoi il ressemble, reconna\u00eet Patrick Michel, astrophysicien \u00e0 l&rsquo;Observatoire de la C\u00f4te d&rsquo;Azur. Nous n\u2019avons qu&rsquo;une estimation de sa dimension : de l\u2019ordre de 370 m\u00e8tres de diam\u00e8tre.\u00a0\u00bb<\/p>\n<p>Apophis \u00ab\u00a0vient tr\u00e8s probablement de la ceinture principale d&rsquo;ast\u00e9ro\u00efdes\u00a0\u00bb, poursuit Daniel Hestroffer. Cette r\u00e9gion du syst\u00e8me solaire entre Mars et Jupiter contient un grand nombre d&rsquo;ast\u00e9ro\u00efdes qui se percutent et se fragmentent. \u00ab\u00a0Apophis est n\u00e9 d\u2019une telle collision, comme bien d\u2019autres\u00a0\u00bb, relate Patrick Michel. Ces chocs entre ast\u00e9ro\u00efdes provoquent aussi parfois des changements de leur trajectoire. Sur leur nouvelle orbite, certains de ces objets c\u00e9lestes croisent la Terre. On parle alors d&rsquo;ast\u00e9ro\u00efdes g\u00e9ocroiseurs. C&rsquo;est le cas d&rsquo;Apophis, qui \u00ab\u00a0croise la Terre tous les sept \u00e0 huit ans\u00a0\u00bb, pr\u00e9cise Daniel Hestroffer.<\/p>\n<p>\u00ab\u00a0Ces ast\u00e9ro\u00efdes ont une dur\u00e9e de vie de quelques millions d&rsquo;ann\u00e9es\u00a0\u00bb, poursuit l&rsquo;astronome. Mais \u00ab\u00a0la plupart d\u2019entre eux finissent dans le Soleil et pas sur une plan\u00e8te\u00a0\u00bb, ajoute Patrick Michel, rassurant.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"19650\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/lasteroide-apophis-va-froler-la-terre-en-2029\/asteroide-apophis-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/09\/ast%C3%A9ro%C3%AFde-Apophis.png?fit=800%2C410&amp;ssl=1\" data-orig-size=\"800,410\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"ast\u00e9ro\u00efde Apophis\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;\u00a9 Getty&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/09\/ast%C3%A9ro%C3%AFde-Apophis.png?fit=800%2C410&amp;ssl=1\" class=\"alignnone size-full wp-image-19650\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/09\/ast%C3%A9ro%C3%AFde-Apophis.png?resize=800%2C410&#038;ssl=1\" alt=\"\" width=\"800\" height=\"410\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/09\/ast%C3%A9ro%C3%AFde-Apophis.png?w=800&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/09\/ast%C3%A9ro%C3%AFde-Apophis.png?resize=300%2C154&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/09\/ast%C3%A9ro%C3%AFde-Apophis.png?resize=768%2C394&amp;ssl=1 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Le danger pour la Terre, que ce soit dans dix ans ou dans dix-sept ans, il est nul, mais c\u2019est tout de m\u00eame un ast\u00e9ro\u00efde dont l\u2019orbite croise souvent celle de la Terre\u2026<br \/>\nC\u2019est un objet que l\u2019on a d\u00e9couvert en d\u00e9cembre 2004. A l\u2019\u00e9poque on avait calcul\u00e9, sur nos premi\u00e8res observations, un taux de probabilit\u00e9 de rencontre non nul pour 2029. En retrouvant des observations de juin 2004, on s\u2019est aper\u00e7u que, finalement, il nous ratait en 2029. L\u2019ast\u00e9ro\u00efde passe \u00e0 moins de 36.000 km de la Terre, donc \u00e0 l\u2019int\u00e9rieur de l\u2019orbite des satellites g\u00e9ostationnaires. Mais on avait encore une petite incertitude de 600 m sur sa trajectoire, le vendredi 13 avril 2029.<\/p>\n<p>Selon s\u2019il passait ou non dans ce que l\u2019on appelle un \u00ab trou de serrure \u00bb, l\u2019ast\u00e9ro\u00efde pouvait rentrer en collision avec la Terre en 2036. C\u2019est en 2013 qu\u2019on a \u00e9limin\u00e9 cette solution, lorsque Apophis est repass\u00e9 pr\u00e8s de la Terre. On a pu faire des observations radars, plus pr\u00e9cises, sur sa trajectoire. On est s\u00fbr qu\u2019il va passer pr\u00e8s de la Terre, d\u2019ailleurs on verra sa lumi\u00e8re \u00e0 l\u2019\u0153il nu dans le ciel. \u00c7a sera assez spectaculaire. Mais ce n\u2019est pas parce qu\u2019on consid\u00e9rerait le risque plus \u00e9lev\u00e9 qu\u2019on en parle.<\/p>\n<p>Un ast\u00e9ro\u00efde de cette taille-l\u00e0, c\u2019est un vrai risque si, un jour, celui-ci devait vraiment arriver sur nous ?<br \/>\nAh oui ! On a d\u00e9fini des seuils de catastrophe, \u00e0 la louche, car \u00e7a d\u00e9pend de la vitesse \u00e0 l\u2019impact, de la densit\u00e9, etc. Au-del\u00e0 de 1 km, on estime que c\u2019est une catastrophe \u00e0 l\u2019\u00e9chelle globale, c\u2019est-\u00e0-dire avec des r\u00e9percussions sur l\u2019ensemble du globe. \u00c7a arrive en moyenne tous les 500.000 ans. 10 km, c\u2019est l\u2019extinction des dinosaures, on \u00e9teint les esp\u00e8ces. Un tel objet nous arrive en moyenne tous les 100 millions d\u2019ann\u00e9es. Un objet de 140 m\u00e8tres, qui est le seuil de catastrophe r\u00e9gionale, c\u2019est-\u00e0-dire que, peu importe o\u00f9 il tombe, l\u2019onde de choc sera telle que \u00e7a aura des cons\u00e9quences sur les populations, c\u2019est \u00e0 peu pr\u00e8s tous les 10.000 ans.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"19652\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/lasteroide-apophis-va-froler-la-terre-en-2029\/asteroide-apophis-3\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/ast%C3%A9ro%C3%AFde-Apophis.jpg?fit=700%2C525&amp;ssl=1\" data-orig-size=\"700,525\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"ast\u00e9ro\u00efde Apophis\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/ast%C3%A9ro%C3%AFde-Apophis.jpg?fit=700%2C525&amp;ssl=1\" class=\"alignnone size-full wp-image-19652\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/ast%C3%A9ro%C3%AFde-Apophis.jpg?resize=700%2C525&#038;ssl=1\" alt=\"\" width=\"700\" height=\"525\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/ast%C3%A9ro%C3%AFde-Apophis.jpg?w=700&amp;ssl=1 700w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/ast%C3%A9ro%C3%AFde-Apophis.jpg?resize=80%2C60&amp;ssl=1 80w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/ast%C3%A9ro%C3%AFde-Apophis.jpg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/ast%C3%A9ro%C3%AFde-Apophis.jpg?resize=174%2C131&amp;ssl=1 174w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/ast%C3%A9ro%C3%AFde-Apophis.jpg?resize=70%2C53&amp;ssl=1 70w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<p>L\u00e0, Apophis est donc un objet de 300 \u00e0 450 m\u00e8tres : il ferait des d\u00e9g\u00e2ts \u00e0 l\u2019\u00e9chelle d\u2019un continent au moins. On a recens\u00e9 plus de 90 % des objets de plus de 1 km ; on estime qu\u2019il y en a environ mille. On les suit, aucune ne nous menace sur notre \u00e9chelle de pr\u00e9dictibilit\u00e9 (vingt \u00e0 cinquante ans). Le nouveau mandat du Congr\u00e8s am\u00e9ricain c\u2019est de recenser tous les ast\u00e9ro\u00efdes de plus de 140 m\u00e8tres. On en conna\u00eet entre 30 et 40 %. On peut le faire de deux mani\u00e8res, soit depuis la Terre, comme aujourd\u2019hui, sans programme d\u00e9di\u00e9, ce qui nous prendra quelques d\u00e9cennies. Soit depuis un satellite, dans l\u2019espace sur l\u2019orbite de Venus, cela ne prendrait que cinq ans.<\/p>\n<p>Adaptation <a href=\"https:\/\/www.laterredufutur.com\/accueil\/\">Terra Projects &#8211; La Terre du Futur<\/a><\/p>\n<p>extraits et sources : <a href=\"https:\/\/www.francetvinfo.fr\/sciences\/espace\/l-asteroide-apophis-menace-t-il-reellement-de-frapper-la-terre-en-2029_3604239.html\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.francetvinfo.fr\/<\/a> \/ <a href=\"https:\/\/www.20minutes.fr\/sciences\/2587479-20190822-asteroide-apophis-va-froler-terre-2029-aucun-risque-plutot-opportunite-apres-astrophysicien\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.20minutes.fr\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"19648\">(680)<\/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>Dans dix ans, le vendredi 13 avril 2029, cet objet c\u00e9leste d&rsquo;environ 370 m\u00e8tres de diam\u00e8tre va passer \u00e0 moins&#8230;<\/p>\n","protected":false},"author":1,"featured_media":19649,"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_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"L'ast\u00e9ro\u00efde Apophis va froler la Terre en 2029 @laterredufutur.com Terra Projects","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},"jetpack_post_was_ever_published":false},"categories":[22],"tags":[1186,117,126,967],"class_list":["post-19648","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-apophis","tag-espace","tag-meteor","tag-meteorite","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/09\/ast%C3%A9ro%C3%AFde-Apophis.jpg?fit=1280%2C720&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-56U","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":19648,"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":884,"url":"https:\/\/www.laterredufutur.com\/accueil\/lasteroide-apophis\/","url_meta":{"origin":19648,"position":1},"title":"L\u2019ast\u00e9ro\u00efde Apophis","author":"Admin","date":"1 mai 2012","format":false,"excerpt":"L'ast\u00e9ro\u00efde Apophis provoquerait des destructions immenses.\u00a0Les repr\u00e9sentants de l'agence spatiale Roskosmos estiment qu'en 2036 l'ast\u00e9ro\u00efde Apophis peut entrer en collision avec la Terre ce qui provoquera des destructions plus importantes que l'\u00e9v\u00e9nement de Toungouska.","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"apophis","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2012\/05\/apophis.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":24147,"url":"https:\/\/www.laterredufutur.com\/accueil\/lasteroide-apophis-frolera-la-terre-le-vendredi-13-avril-2029\/","url_meta":{"origin":19648,"position":2},"title":"L&rsquo;ast\u00e9ro\u00efde Apophis fr\u00f4lera la Terre le vendredi 13 avril 2029","author":"Admin","date":"20 juin 2022","format":false,"excerpt":"Apophis (d\u00e9signation provisoire 2004 MN4) est un ast\u00e9ro\u00efde g\u00e9ocroiseur, de type Sqa, qui fut d\u00e9couvert le 19 juin 2004. Mesurant environ 325 m\u00e8tres de diam\u00e8tre1 et d'une masse d'environ 40 \u00e0 50 millions de tonnes, il suit une orbite proche de celle de la Terre qu'il croise deux fois \u00e0\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":10122,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-asteroide-rendra-visite-a-la-terre-pour-noel\/","url_meta":{"origin":19648,"position":3},"title":"Un ast\u00e9ro\u00efde rendra visite \u00e0 la Terre pour No\u00ebl","author":"Admin","date":"19 d\u00e9cembre 2015","format":false,"excerpt":"Le p\u00e8re No\u00ebl ne sera pas seul dans le ciel, jeudi 24 d\u00e9cembre. Un \u00e9norme objet spatial de deux kilom\u00e8tres de long passera ce jour-l\u00e0 \"\u00e0 proximit\u00e9\" de la Terre, mais sans pr\u00e9senter le moindre de danger pour notre plan\u00e8te. Cet\u00a0ast\u00e9ro\u00efde de No\u00ebl, baptis\u00e9 2003 SD220, a \u00e9t\u00e9 d\u00e9couvert en\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\/2015\/12\/asteroide.jpg?fit=1000%2C562&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/12\/asteroide.jpg?fit=1000%2C562&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/12\/asteroide.jpg?fit=1000%2C562&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/12\/asteroide.jpg?fit=1000%2C562&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":18383,"url":"https:\/\/www.laterredufutur.com\/accueil\/des-scientifiques-etudient-la-possibilite-de-construire-une-station-spatiale-a-linterieur-dun-asteroide-geant\/","url_meta":{"origin":19648,"position":4},"title":"Des scientifiques \u00e9tudient la possibilit\u00e9 de construire une station spatiale \u00e0 l&rsquo;int\u00e9rieur d&rsquo;un ast\u00e9ro\u00efde g\u00e9ant","author":"Admin","date":"9 f\u00e9vrier 2019","format":false,"excerpt":"Cela ressemblerait presque \u00e0 un film de science-fiction, mais il s'agit d'une possibilit\u00e9 totalement folle que les scientifiques explorent r\u00e9ellement: comment installer une station spatiale \u00e0 l'int\u00e9rieur d'un ast\u00e9ro\u00efde. Pourquoi devrions-nous tenter ce type d'exploit d'ing\u00e9nierie astronomique? Parce que la rotation de l'ast\u00e9ro\u00efde cr\u00e9erait suffisamment de gravit\u00e9 pour qu'un \u00e9quipementier\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\/2019\/02\/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\/2019\/02\/asteroide.jpg?fit=1024%2C415&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/02\/asteroide.jpg?fit=1024%2C415&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/02\/asteroide.jpg?fit=1024%2C415&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":1341,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-nasa-veut-capturer-un-asteroide-et-sen-servir-comme-tremplin-pour-mars\/","url_meta":{"origin":19648,"position":5},"title":"La Nasa veut capturer un ast\u00e9ro\u00efde et s&rsquo;en servir comme tremplin pour Mars","author":"Admin","date":"14 avril 2013","format":false,"excerpt":"Exp\u00e9dition envisag\u00e9e pour les ann\u00e9es 2030 A l'horizon 2021, des astronautes \u00e0 bord d'une capsule Orion pourraient se rendre sur l'objet c\u00e9leste. Leur premi\u00e8re mission serait de rapporter des \u00e9chantillons du sol pour analyse. Une exp\u00e9dition vers la plan\u00e8te rouge elle-m\u00eame est envisag\u00e9e pour les ann\u00e9es 2030. \u00abLe projet combine\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"apophis","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2012\/05\/apophis-2.jpg?fit=450%2C253&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\/19648","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=19648"}],"version-history":[{"count":3,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/19648\/revisions"}],"predecessor-version":[{"id":19654,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/19648\/revisions\/19654"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/19649"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=19648"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=19648"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=19648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}