{"id":15258,"date":"2017-05-20T20:00:37","date_gmt":"2017-05-20T18:00:37","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=15258"},"modified":"2017-05-19T18:56:29","modified_gmt":"2017-05-19T16:56:29","slug":"la-nasa-a-detecte-un-bouclier-cree-par-lhomme-autour-de-la-terre","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/la-nasa-a-detecte-un-bouclier-cree-par-lhomme-autour-de-la-terre\/","title":{"rendered":"La Nasa a d\u00e9tect\u00e9 un bouclier cr\u00e9\u00e9 par l&rsquo;Homme autour de 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>L\u2019influence de l\u2019activit\u00e9 humaine s\u2019\u00e9tend bien au-del\u00e0 de ce qu\u2019on imagine. C\u2019est-\u00e0-dire, au-del\u00e0 de la Terre. D\u2019apr\u00e8s une vid\u00e9o de la NASA diffus\u00e9e le 17 mai 2017, reposant sur une \u00e9tude r\u00e9cente, la sonde Van Allen (Van Allen Probes) a d\u00e9tect\u00e9 une \u00ab bulle \u00bb autour de la plan\u00e8te bleue, faite indirectement \u00ab par la main de l\u2019homme \u00bb. Et selon les astronomes, cette bulle nous servirait de barri\u00e8re contre les radiations cosmiques.<\/p>\n<p>Les chercheurs pensent que ce ph\u00e9nom\u00e8ne est d\u00fb aux signaux radio \u00e0 tr\u00e8s basse fr\u00e9quence utilis\u00e9s notamment pour communiquer avec les sous-marins. Elles pourraient affecter la mani\u00e8re dont les particules bougent \u00e0 travers l\u2019environnement de notre espace-proche. En effet, ces basses fr\u00e9quences voyagent au-del\u00e0 de notre atmosph\u00e8re, dans l\u2019espace, o\u00f9 elles interagissent avec la radiation des particules de hautes \u00e9nergies.<\/p>\n<p>\u00ab Un certain nombre d\u2019exp\u00e9rimentations et d\u2019observations ont montr\u00e9 que, dans les bonnes conditions, les signaux de communication radio \u00e0 tr\u00e8s basse fr\u00e9quence peuvent affecter les propri\u00e9t\u00e9s des radiations de hautes \u00e9nergies dans l\u2019espace environnant la Terre \u00bb, explique Phil Erikson, de l\u2019observatoire Haystack du MIT.<\/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>Les scientifiques ont \u00e9galement d\u00e9couvert que la partie ext\u00e9rieure de cette bulle s\u2019aligne quasiment avec la tranche int\u00e9rieure de la ceinture de radiations de Van Allen. Une zone de la magn\u00e9tosph\u00e8re \u2013 la r\u00e9gion o\u00f9 s\u2019\u00e9tend le champ magn\u00e9tique de la Terre \u2013 qui concentre de nombreux protons. Cette tranche inf\u00e9rieure constituerait une sorte de \u00ab barri\u00e8re imp\u00e9n\u00e9trable \u00bb.<\/p>\n<p>D\u2019apr\u00e8s la NASA, les signaux radio pourraient un jour \u00eatre utilis\u00e9s pour faire dispara\u00eetre l\u2019exc\u00e8s de radiations de l\u2019environnement de notre espace-proche. Les scientifiques sont d\u2019ores et d\u00e9j\u00e0 en train d\u2019\u00e9tudier si les transmissions \u00e0 basse fr\u00e9quence sont capables d\u2019\u00e9liminer les particules de l\u2019atmosph\u00e8re sup\u00e9rieure pendant les \u00e9v\u00e9nements m\u00e9t\u00e9orologiques extr\u00eames. Des initiatives qui s\u2019annoncent tr\u00e8s prometteuses.<\/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\/cFYoYUBGw4s?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>\n<p>Cr\u00e9dits : NASA\/Youtube<\/p>\n<p>Sources : Science Space Reviews\/NASA\/Youtube \/ <a href=\"https:\/\/www.ulyces.co\/news\/la-nasa-a-detecte-un-bouclier-cree-par-lhomme-autour-de-la-terre\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.ulyces.co\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"15258\">(1695)<\/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>L\u2019influence de l\u2019activit\u00e9 humaine s\u2019\u00e9tend bien au-del\u00e0 de ce qu\u2019on imagine. C\u2019est-\u00e0-dire, au-del\u00e0 de la Terre. D\u2019apr\u00e8s une vid\u00e9o de&#8230;<\/p>\n","protected":false},"author":1,"featured_media":15259,"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":"La #Nasa a d\u00e9tect\u00e9 un #bouclier cr\u00e9\u00e9 par l'Homme autour de 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":[2206,6427,117,1144,119,4108,75,1631,684],"class_list":["post-15258","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-bouclier","tag-ceinture","tag-espace","tag-etoiles","tag-nasa","tag-radiations","tag-terre","tag-van-allen","tag-video","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/05\/bouclier-radio-terre.png?fit=600%2C321&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-3Y6","jetpack-related-posts":[{"id":26710,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-terre-sest-dotee-dune-ceinture-de-protection-supplementaire-jamais-vue-auparavant-apres-la-tempete-solaire-de-lannee-derniere-et-elle-est-probablement-toujours-la\/","url_meta":{"origin":15258,"position":0},"title":"La Terre s&rsquo;est dot\u00e9e d&rsquo;une \u00ab ceinture de protection \u00bb suppl\u00e9mentaire, jamais vue auparavant, apr\u00e8s la temp\u00eate solaire de l&rsquo;ann\u00e9e derni\u00e8re &#8211; et elle est probablement toujours l\u00e0","author":"Admin","date":"19 f\u00e9vrier 2025","format":false,"excerpt":"Les donn\u00e9es recueillies par un ancien satellite de la NASA montrent que la Terre s'est dot\u00e9e de deux ceintures de protection suppl\u00e9mentaires \u00e0 la suite d'une temp\u00eate g\u00e9omagn\u00e9tique surpuissante en mai 2024, dont une structure jamais vue auparavant qui est \u00ab probablement toujours pr\u00e9sente aujourd'hui \u00bb, affirment des chercheurs. 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\/2025\/02\/ceinture-de-van-allen.webp?fit=650%2C366&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/02\/ceinture-de-van-allen.webp?fit=650%2C366&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/02\/ceinture-de-van-allen.webp?fit=650%2C366&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":1273,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-nasa-decouvre-un-nouveau-champ-magnetique-terrestre\/","url_meta":{"origin":15258,"position":1},"title":"La NASA d\u00e9couvre un nouveau champ magn\u00e9tique terrestre","author":"Admin","date":"5 mars 2013","format":false,"excerpt":"Lorsque la ceinture de Van Allen, cette zone de radiation entourant la Terre et charg\u00e9e de particules \u00e9nerg\u00e9tiques, a \u00e9t\u00e9 d\u00e9couverte il y a 55 ans, elle a \u00e9t\u00e9 d\u00e9crite comme poss\u00e9dant deux couches distinctes. Mais une r\u00e9cente d\u00e9couverte a permis d\u2019\u00e9tablir que rarement, selon les activit\u00e9s du Soleil, une\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"van allen","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2013\/03\/van-allen-1.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":1352,"url":"https:\/\/www.laterredufutur.com\/accueil\/deux-super-terres-dans-une-zone-habitable\/","url_meta":{"origin":15258,"position":2},"title":"Deux super Terres dans une zone habitable","author":"Admin","date":"25 avril 2013","format":false,"excerpt":"Le satellite Kepler, de la Nasa, vient de d\u00e9busquer un syst\u00e8me plan\u00e9taire remarquable constitu\u00e9 de cinq plan\u00e8tes, dont deux sont dans la zone habitable. Une p\u00e9pite pour l'exobiologie Retenez ce nom : Kepler 62. C'est ainsi qu'est baptis\u00e9 le syst\u00e8me extrasolaire le plus prometteur pour les exobiologistes. Il est situ\u00e9\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"kepler","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2011\/12\/kepler-0.jpg?fit=494%2C351&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":8543,"url":"https:\/\/www.laterredufutur.com\/accueil\/construire-des-maisons-sur-mars-grace-a-limpression-3d-cest-desormais-envisageable\/","url_meta":{"origin":15258,"position":3},"title":"Construire des maisons sur Mars ? Gr\u00e2ce \u00e0 l&rsquo;impression 3D, c&rsquo;est d\u00e9sormais envisageable","author":"Admin","date":"16 octobre 2015","format":false,"excerpt":"La pr\u00e9sence d'eau liquide sur Mars a remis sur le devant de la sc\u00e8ne la future pr\u00e9sence humaine sur la plan\u00e8te rouge. Ainsi, la NASA a organis\u00e9 un concours, permettant d'imaginer la future maison martienne type, gr\u00e2ce \u00e0 l'impression 3D. L'occasion pour Jean-Paul Fritz de faire le point sur 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\/2015\/10\/maison-mars.jpg?fit=630%2C360&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/maison-mars.jpg?fit=630%2C360&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/maison-mars.jpg?fit=630%2C360&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":23679,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-telescope-spatial-james-webb-a-atteint-sa-destination\/","url_meta":{"origin":15258,"position":4},"title":"Le t\u00e9lescope spatial James Webb a atteint sa destination","author":"Admin","date":"25 janvier 2022","format":false,"excerpt":"Apr\u00e8s un voyage de 30 jours, le t\u00e9lescope spatial James Webb (JWST) de la NASA a atteint sa destination au point de Lagrange 2 (L2), \u00e0 environ 1,5 million de kilom\u00e8tres de la Terre. \u00c0 14 h HNE, il a allum\u00e9 ses moteurs principaux pendant 297 secondes pour modifier sa\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\/01\/telescope-james-webb-2.jpg?fit=1200%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/telescope-james-webb-2.jpg?fit=1200%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/telescope-james-webb-2.jpg?fit=1200%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/telescope-james-webb-2.jpg?fit=1200%2C800&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/telescope-james-webb-2.jpg?fit=1200%2C800&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":25822,"url":"https:\/\/www.laterredufutur.com\/accueil\/voyager-1-vers-linfini-et-au-dela\/","url_meta":{"origin":15258,"position":5},"title":"Voyager 1, \u00ab\u00a0Vers l&rsquo;infini et au del\u00e0\u00a0\u00bb&#8230;.","author":"Admin","date":"1 mai 2024","format":false,"excerpt":"Apr\u00e8s des mois de r\u00e9solution de probl\u00e8mes et de patience, Voyager 1 est de nouveau en mesure de communiquer avec la Terre. La vielle sonde spatiale de la NASA, situ\u00e9e \u00e0 environ 24 milliards de kilom\u00e8tres de la Terre, a commenc\u00e9 \u00e0 transmettre des donn\u00e9es brouill\u00e9es en novembre. Le 20\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\/2024\/05\/la-sonde-voyager-1.jpg?fit=1024%2C1024&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/05\/la-sonde-voyager-1.jpg?fit=1024%2C1024&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/05\/la-sonde-voyager-1.jpg?fit=1024%2C1024&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/05\/la-sonde-voyager-1.jpg?fit=1024%2C1024&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/15258","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=15258"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/15258\/revisions"}],"predecessor-version":[{"id":15260,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/15258\/revisions\/15260"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/15259"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=15258"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=15258"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=15258"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}