{"id":31566,"date":"2022-07-04T15:21:42","date_gmt":"2022-07-04T15:21:42","guid":{"rendered":"https:\/\/bluetunisia.com\/debris-spatiaux-une-nouvelle-forme-de-pollution\/"},"modified":"2025-07-22T15:20:24","modified_gmt":"2025-07-22T15:20:24","slug":"debris-spatiaux-une-nouvelle-forme-de-pollution","status":"publish","type":"post","link":"https:\/\/bluetunisia.com\/fr\/debris-spatiaux-une-nouvelle-forme-de-pollution\/","title":{"rendered":"D\u00e9bris spatiaux : une nouvelle forme de pollution"},"content":{"rendered":"\n<p>Nous parlons toujours de la pollution des for\u00eats, de la pollution des oc\u00e9ans &#8230; de la pollution de la terre. Qu&rsquo;en est-il de l&rsquo;<strong>espace<\/strong>?    <\/p>\n\n<p>Savez-vous que de tr\u00e8s petits objets voyageant autour de la Terre peuvent provoquer des catastrophes ?  <\/p>\n\n<p>Savez-vous que nous pourrions \u00eatre emprisonn\u00e9s sur la terre \u00e0 l&rsquo;avenir ?  <\/p>\n\n<p>Depuis la guerre froide, l&rsquo;humanit\u00e9 s&rsquo;est int\u00e9ress\u00e9e \u00e0 l&rsquo;exploration de l&rsquo;espace et y a investi. Au cours des ann\u00e9es 1950, les technologies astrologiques se sont am\u00e9lior\u00e9es jusqu&rsquo;au 4 octobre 1958, date \u00e0 laquelle Spoutnik 1 a \u00e9t\u00e9 lanc\u00e9. Cet \u00e9v\u00e9nement est consid\u00e9r\u00e9 comme le d\u00e9but de l&rsquo;\u00e8re spatiale. \u00c0 partir de 1958, les hommes du monde entier ont exp\u00e9riment\u00e9 diff\u00e9rents projets spatiaux et lanc\u00e9 des milliers de fus\u00e9es, ce qui a conduit \u00e0 la cr\u00e9ation d&rsquo;un nouveau d\u00e9fi, celui des \u00ab\u00a0d\u00e9bris spatiaux\u00a0\u00bb. R\u00e9cemment, ce d\u00e9fi a pris de l&rsquo;ampleur et devient de plus en plus mena\u00e7ant&#8230;    <\/p>\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/space-1024x576.jpeg\" alt=\"\" class=\"wp-image-6164\" srcset=\"https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/space-1024x576.jpeg 1024w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/space-300x169.jpeg 300w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/space-768x432.jpeg 768w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/space-600x338.jpeg 600w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/space.jpeg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption><em>Cr\u00e9dit : Philipp Igumnov \/ Getty Images<\/em> by cosmosmagazine<\/figcaption><\/figure>\n\n<p>En fait, les d\u00e9bris spatiaux se composent \u00e0 la fois de m\u00e9t\u00e9oro\u00efdes naturels et de d\u00e9bris orbitaux artificiels (fabriqu\u00e9s par l&rsquo;homme). Les m\u00e9t\u00e9oro\u00efdes sont en orbite autour du soleil et sont moins mena\u00e7ants pour l&rsquo;humanit\u00e9, mais la plupart des d\u00e9bris artificiels sont en orbite autour de la terre. Ces d\u00e9bris artificiels peuvent \u00eatre des engins spatiaux non fonctionnels, des pi\u00e8ces li\u00e9es \u00e0 la mission et des fragments.   <\/p>\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/Fig-1.jpg\" alt=\"\" class=\"wp-image-6161\" srcset=\"https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/Fig-1.jpg 600w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/Fig-1-300x300.jpg 300w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/Fig-1-150x150.jpg 150w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/Fig-1-100x100.jpg 100w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/Fig-1-540x540.jpg 540w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/Fig-1-64x64.jpg 64w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/Fig-1-108x108.jpg 108w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/Fig-1-153x153.jpg 153w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/Fig-1-204x204.jpg 204w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/Fig-1-288x288.jpg 288w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption><em>Cr\u00e9dit : Parlons sciences<\/em><\/figcaption><\/figure>\n\n<p>Ces d\u00e9bris sont tr\u00e8s mena\u00e7ants en raison de deux facteurs principaux : leur nombre et leur vitesse. En 2021, le r\u00e9seau mondial de surveillance de l&rsquo;espace (SSN) du minist\u00e8re am\u00e9ricain de la d\u00e9fense a suivi plus de 27 000 d\u00e9bris spatiaux artificiels. De nombreux autres d\u00e9bris ne sont pas rep\u00e9rables en raison de leur taille minuscule, mais ils sont capables d&rsquo;endommager un engin spatial, voire de le d\u00e9truire. Ces diff\u00e9rents types de d\u00e9bris tournent autour de la Terre \u00e0 des vitesses pouvant atteindre 17 500 km\/h en moyenne, ce qui est suffisamment rapide pour d\u00e9truire des projets spatiaux. En mai 2021, la Station spatiale internationale (ISS) a \u00e9t\u00e9 touch\u00e9e par un d\u00e9bris spatial qui a perfor\u00e9 le bras artificiel de 5 millim\u00e8tres. Ce petit trou a affect\u00e9 l&rsquo;ensemble du syst\u00e8me de l&rsquo;ISS et a n\u00e9cessit\u00e9 une op\u00e9ration p\u00e9rilleuse pour le r\u00e9parer.       <\/p>\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/fig-2-1-1024x683.webp\" alt=\"\" class=\"wp-image-6162\" srcset=\"https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/fig-2-1-1024x683.webp 1024w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/fig-2-1-300x200.webp 300w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/fig-2-1-768x512.webp 768w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/fig-2-1-600x400.webp 600w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/fig-2-1-540x360.webp 540w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/fig-2-1-64x43.webp 64w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/fig-2-1-108x72.webp 108w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/fig-2-1-153x102.webp 153w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/fig-2-1-204x136.webp 204w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/fig-2-1-288x192.webp 288w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/fig-2-1-384x256.webp 384w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/fig-2-1.webp 1098w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption><em>Cr\u00e9dit : Nasa et l&rsquo;agence spatiale canadienne<\/em><\/figcaption><\/figure>\n\n<p>En effet, les d\u00e9bris provoqueront de nombreux accidents qui co\u00fbteront des milliers de dollars. Cela rendra l&rsquo;industrie spatiale moins s\u00fbre et plus difficile. Les scientifiques pr\u00e9voient que si nous ne trouvons pas de solution efficace \u00e0 ce probl\u00e8me, nous resterons coinc\u00e9s sur terre et ne pourrons plus lancer de fus\u00e9e en toute s\u00e9curit\u00e9. Cela signifie que tous les projets spatiaux pourraient prendre fin et que le r\u00eave humain d&rsquo;explorer l&rsquo;espace risque de s&rsquo;\u00e9teindre.     <\/p>\n\n<p>Aujourd&rsquo;hui, diff\u00e9rentes agences spatiales cherchent des solutions et mettent en \u0153uvre des programmes pour \u00e9liminer les d\u00e9bris artificiels de l&rsquo;espace. En 2020, l&rsquo;Agence spatiale europ\u00e9enne a annonc\u00e9 Clearspace-1.   <\/p>\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/Fig-3-1024x640.jpg\" alt=\"\" class=\"wp-image-6163\" srcset=\"https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/Fig-3-1024x640.jpg 1024w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/Fig-3-300x188.jpg 300w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/Fig-3-768x480.jpg 768w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/Fig-3-1536x960.jpg 1536w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/Fig-3-600x375.jpg 600w, https:\/\/bluetunisia.com\/wp-content\/uploads\/2022\/07\/Fig-3.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption><em>Cr\u00e9dit : Agence spatiale europ\u00e9enne  <\/em><\/figcaption><\/figure>\n\n<p>  Il devrait \u00eatre lanc\u00e9 en 2026 et constituer la premi\u00e8re mission d&rsquo;enl\u00e8vement de d\u00e9bris spatiaux sur Terre. Ce projet consistera \u00e0 d\u00e9laminer 112 kg de d\u00e9bris spatiaux \u00e0 l&rsquo;aide d&rsquo;un robot \u00e0 quatre mains. S&rsquo;il est men\u00e9 \u00e0 bien, ce projet marquera le d\u00e9but de l&rsquo;\u00e8re du nettoyage de l&rsquo;espace.    <\/p>\n\n<p>Entre-temps, la NASA et ROSCOSMOS travaillent sur diff\u00e9rents projets visant \u00e0 r\u00e9duire les menaces li\u00e9es aux d\u00e9bris spatiaux.  <\/p>\n\n<p>En r\u00e9sum\u00e9, les scientifiques sont de plus en plus pr\u00e9occup\u00e9s par les d\u00e9bris spatiaux, qui deviennent un \u00e9norme d\u00e9fi. Jusqu&rsquo;\u00e0 ce que des solutions soient trouv\u00e9es, cela co\u00fbtera des tonnes d&rsquo;argent.   <\/p>\n\n<p>Parlerons-nous un jour des d\u00e9bris spatiaux comme d&rsquo;une cat\u00e9gorie importante de pollution ?  <\/p>\n\n<p> <\/p>\n\n<p class=\"has-black-color has-text-color\">R\u00e9dacteur : Khalil ElB\u00e8chir  <\/p>\n\n<p><br\/><\/p>\n\n<p>Sources :  <\/p>\n\n<p><a href=\"https:\/\/books.google.tn\/books?hl=fr&amp;lr=&amp;id=LMezvrqV3fUC&amp;oi=fnd&amp;pg=PR9&amp;dq=the+definition+of+space+debris&amp;ots=3btHoEdOeq&amp;sig=EW6wO65uLdzvrxsF2ePUF-JdiZ8&amp;redir_esc=y#v=onepage&amp;q=the%20definition%20of%20space%20debris&amp;f=false\">D\u00e9bris spatiaux : Mod\u00e8les et analyse des risques &#8211; Heiner Klinkrad &#8211; Google Livres<\/a><\/p>\n\n<p><a href=\"https:\/\/www.nasa.gov\/mission_pages\/station\/news\/orbital_debris.html\">D\u00e9bris spatiaux et engins humains | NASA<\/a><\/p>\n\n<p><a href=\"https:\/\/www.esa.int\/Safety_Security\/ClearSpace-1\">ESA &#8211; ClearSpace-1<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nous parlons toujours de la pollution des for\u00eats, de la pollution des oc\u00e9ans &#8230; de la pollution de la terre. Qu&rsquo;en est-il de l&rsquo;espace? Savez-vous que de tr\u00e8s petits objets voyageant autour de la Terre peuvent provoquer des catastrophes ? Savez-vous que nous pourrions \u00eatre emprisonn\u00e9s sur la terre \u00e0 l&rsquo;avenir ? Depuis la guerre [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":6164,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"pmpro_default_level":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[167],"tags":[],"coauthors":[],"class_list":["post-31566","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","pmpro-has-access"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>D\u00e9bris spatiaux : une nouvelle forme de pollution - Blue Tunisia<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bluetunisia.com\/fr\/debris-spatiaux-une-nouvelle-forme-de-pollution\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D\u00e9bris spatiaux : une nouvelle forme de pollution - Blue Tunisia\" \/>\n<meta property=\"og:description\" content=\"Nous parlons toujours de la pollution des for\u00eats, de la pollution des oc\u00e9ans &#8230; de la pollution de la terre. Qu&rsquo;en est-il de l&rsquo;espace? Savez-vous que de tr\u00e8s petits objets voyageant autour de la Terre peuvent provoquer des catastrophes ? Savez-vous que nous pourrions \u00eatre emprisonn\u00e9s sur la terre \u00e0 l&rsquo;avenir ? 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Qu&rsquo;en est-il de l&rsquo;espace? Savez-vous que de tr\u00e8s petits objets voyageant autour de la Terre peuvent provoquer des catastrophes ? Savez-vous que nous pourrions \u00eatre emprisonn\u00e9s sur la terre \u00e0 l&rsquo;avenir ? 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