{"id":16987,"date":"2018-09-25T20:00:59","date_gmt":"2018-09-25T18:00:59","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=16987"},"modified":"2018-09-22T15:41:30","modified_gmt":"2018-09-22T13:41:30","slug":"forage-spatial-des-astronomes-veulent-diriger-des-asteroides-vers-la-terre","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/forage-spatial-des-astronomes-veulent-diriger-des-asteroides-vers-la-terre\/","title":{"rendered":"Forage spatial : des astronomes veulent diriger des ast\u00e9ro\u00efdes vers la Terre"},"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>La ru\u00e9e vers l&rsquo;or spatial ne fait que commencer. Dans une r\u00e9cente \u00e9tude, des astronomes proposent de diriger des ast\u00e9ro\u00efdes vers notre plan\u00e8te. Le but : les placer en orbite terrestre afin d&rsquo;exploiter leurs ressources min\u00e9rales.<\/p>\n<p>Exploiter les ressources naturelles des ast\u00e9ro\u00efdes, l&rsquo;id\u00e9e en elle-m\u00eame n&rsquo;est pas nouvelle. D&rsquo;ici 2070, la population mondiale pourrait en effet atteindre 10 milliards d&rsquo;habitants. Alors, depuis plusieurs ann\u00e9es, les scientifiques se posent la question : puisque les ressources viennent d\u00e9j\u00e0 \u00e0 manquer sur Terre, pourquoi ne pas chercher au-dessus de nos t\u00eates ce qui est en train de dispara\u00eetre sous nos pieds ?<\/p>\n<p>C&rsquo;est le postulat de d\u00e9part d&rsquo;une r\u00e9cente \u00e9tude, publi\u00e9e dans la revue Acta Astronautica. Inspir\u00e9 par cette id\u00e9e, son auteur principal Minghu Tan, doctorant \u00e0 l&rsquo;Universit\u00e9 de Glasgow, propose d&rsquo;aller un peu plus loin : garder les ast\u00e9ro\u00efdes \u00e0 port\u00e9e de main.<\/p>\n<p>En poussant les ast\u00e9ro\u00efdes par une s\u00e9rie de chocs, il serait en effet possible de les d\u00e9vier de leur trajectoire naturelle pour les placer en orbite terrestre. Une fois que les ast\u00e9ro\u00efdes gravitent autour de la Terre, les astronomes souhaitent envoyer \u00e0 leur rencontre des v\u00e9hicules spatiaux inhabit\u00e9s qui s&rsquo;occuperont du forage.<\/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>Des mines d&rsquo;or et de platine<\/p>\n<p>Les ast\u00e9ro\u00efdes d\u00e9tiennent en effet des ressources pr\u00e9cieuses. Ils sont constitu\u00e9s notamment de nickel, de fer, d&rsquo;or et de cobalt. On y trouve aussi du platine en abondance, l&rsquo;un des m\u00e9taux les plus pr\u00e9cieux sur Terre. Mais \u00e9galement de l&rsquo;eau, que Minghu Tan souhaiterait d\u00e9composer en hydrog\u00e8ne et oxyg\u00e8ne, r\u00e9utilisable comme carburant pour de futures missions spatiales.<\/p>\n<p>Mais comment diriger les ast\u00e9ro\u00efdes vers la Terre ? La m\u00e9thode est simple : le chercheur propose d&rsquo;utiliser l&rsquo;a\u00e9rofreinage. Cette manoeuvre est d\u00e9j\u00e0 largement utilis\u00e9e en m\u00e9canique spatiale, notamment pour faire atterrir une sonde. En utilisant les forces de frottement exerc\u00e9es par l&rsquo;atmosph\u00e8re d&rsquo;une plan\u00e8te, elle permet de ralentir un objet.<\/p>\n<p>source : <a href=\"https:\/\/www.maxisciences.com\/asteroide\/forage-spatial-des-astronomes-veulent-diriger-des-asteroides-vers-la-terre_art41507.html\" target=\"_blank\" rel=\"noopener\">https:\/\/www.maxisciences.com\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"16987\">(443)<\/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>La ru\u00e9e vers l&rsquo;or spatial ne fait que commencer. Dans une r\u00e9cente \u00e9tude, des astronomes proposent de diriger des ast\u00e9ro\u00efdes&#8230;<\/p>\n","protected":false},"author":1,"featured_media":9601,"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":"Forage spatial : des astronomes veulent diriger des ast\u00e9ro\u00efdes vers la Terre @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":[118,117,3981,2967,669,6773,3794],"class_list":["post-16987","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-asteroide","tag-espace","tag-metaux-rares","tag-mine","tag-or","tag-platine","tag-richesse","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/ast%C3%A9ro%C3%AFde-mine.jpg?fit=598%2C465&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-4pZ","jetpack-related-posts":[{"id":20472,"url":"https:\/\/www.laterredufutur.com\/accueil\/psyche-voyage-vers-un-monde-de-metal-la-nasa-cible-un-asteroide-compose-dor-et-de-metaux-precieux\/","url_meta":{"origin":16987,"position":0},"title":"Psyche : voyage vers un monde de m\u00e9tal : la NASA cible un ast\u00e9ro\u00efde compos\u00e9 d&rsquo;or et de m\u00e9taux pr\u00e9cieux","author":"Admin","date":"21 janvier 2020","format":false,"excerpt":"Les ann\u00e9es 2020 s'annoncent riches en d\u00e9couvertes pour la Nasa. Et parmi les missions les plus attendues, celle concernant l'ast\u00e9ro\u00efde \u00abPsyche 16\u00bb, promet de capter l'attention des passionn\u00e9es d'exploration spatiale comme du grand public. Et pour cause, puisque l'ast\u00e9ro\u00efde abriterait une immense quantit\u00e9 d'or et de m\u00e9taux pr\u00e9cieux. Le tout\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\/2020\/01\/meteor-Psyche.jpeg?fit=804%2C455&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/01\/meteor-Psyche.jpeg?fit=804%2C455&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/01\/meteor-Psyche.jpeg?fit=804%2C455&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/01\/meteor-Psyche.jpeg?fit=804%2C455&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":16987,"position":1},"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":879,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-monde-dasteroides\/","url_meta":{"origin":16987,"position":2},"title":"Un monde d\u2019ast\u00e9ro\u00efdes","author":"Admin","date":"29 avril 2012","format":false,"excerpt":"Les Ast\u00e9ro\u00efdes : nouvel Eldorado des milliardaires\u00a0? Au-del\u00e0 de la science fiction qui nous promettait des vaisseaux spatiaux pour collecter les ressources mini\u00e8res sur d\u2019autres astres, ici des investisseurs milliardaires tels que le PDG de Google Larry Page ou encore le cin\u00e9aste James Cameron ont d\u00e9cid\u00e9 de se lancer \u00e0\u2026","rel":"","context":"Dans &quot;Monde Futur&quot;","block_context":{"text":"Monde Futur","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/monde-futur\/"},"img":{"alt_text":"planetary resources","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2012\/04\/planetary-resources-0.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":9599,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-minage-spatial-est-pour-bientot\/","url_meta":{"origin":16987,"position":3},"title":"Le minage spatial est pour bient\u00f4t","author":"Admin","date":"28 novembre 2015","format":false,"excerpt":"Si vous pensiez qu'un c'est le\u00a0sc\u00e9nario d'un film futuriste, avec des voyages spatiaux et miniers vers de lointains ast\u00e9ro\u00efdes, On\u00a0doit vous dire que vous aviez tort. Le pr\u00e9sident am\u00e9ricain Barack Obama vient de signer une loi aux \u00c9tats-Unis r\u00e9glementant l'exploitation mini\u00e8re des ast\u00e9ro\u00efdes, \u00e0 savoir, que cette loi reconna\u00eet le\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\/11\/asteroide-miniers.jpg?fit=810%2C455&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/asteroide-miniers.jpg?fit=810%2C455&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/asteroide-miniers.jpg?fit=810%2C455&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/11\/asteroide-miniers.jpg?fit=810%2C455&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":542,"url":"https:\/\/www.laterredufutur.com\/accueil\/des-chercheurs-chinois-veulent-capturer-un-asteroide-pour-lexploiter\/","url_meta":{"origin":16987,"position":4},"title":"Des chercheurs chinois veulent capturer un ast\u00e9ro\u00efde pour l\u2019exploiter","author":"Admin","date":"22 septembre 2011","format":false,"excerpt":"Un groupe de chercheurs chinois pr\u00e9tend qu\u2019un ast\u00e9ro\u00efde pourrait \u00eatre une mine d\u2019or ambulante qu\u2019il faudrait exploiter. Hexi Baoyin, Yang Chen et Junfeng Li sont ces chercheurs qui sont pour une exploitation mini\u00e8re d\u2019un ast\u00e9ro\u00efde. Leur id\u00e9e consiste surtout \u00e0 en \u00ab capturer \u00bb un pour y trouver des m\u00e9taux\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":26990,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-chercheurs-affirment-quil-pourrait-y-avoir-plus-de-1-000-milliards-de-dollars-de-platine-cache-sous-la-surface-de-la-lune\/","url_meta":{"origin":16987,"position":5},"title":"Les chercheurs affirment qu&rsquo;il pourrait y avoir plus de 1 000 milliards de dollars de platine cach\u00e9 sous la surface de la Lune","author":"Admin","date":"15 juin 2025","format":false,"excerpt":"Les chercheurs affirment qu'il pourrait y avoir plus de 1 000 milliards de dollars de platine cach\u00e9 sous la surface de la Lune - un tr\u00e9sor lunaire majeur qui n'attend qu'\u00e0 \u00eatre exploit\u00e9. Comme d\u00e9taill\u00e9 dans un article publi\u00e9 dans la revue Planetary and Space Science , le chercheur ind\u00e9pendant\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\/10\/lune-14.jpg?fit=900%2C600&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/10\/lune-14.jpg?fit=900%2C600&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/10\/lune-14.jpg?fit=900%2C600&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/10\/lune-14.jpg?fit=900%2C600&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/16987","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=16987"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/16987\/revisions"}],"predecessor-version":[{"id":16988,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/16987\/revisions\/16988"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/9601"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=16987"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=16987"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=16987"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}