{"id":386477,"date":"2021-04-22T05:00:45","date_gmt":"2021-04-22T09:00:45","guid":{"rendered":"https:\/\/mymodernmet.com\/?p=386477"},"modified":"2021-04-22T05:00:45","modified_gmt":"2021-04-22T09:00:45","slug":"un-stagiaire-de-la-nasa-decouvre-une-nouvelle-planete","status":"publish","type":"post","link":"https:\/\/mymodernmet.com\/fr\/un-stagiaire-de-la-nasa-decouvre-une-nouvelle-planete\/","title":{"rendered":"Un Adolescent en Stage \u00e0 la NASA D\u00e9couvre une Nouvelle Plan\u00e8te D\u00e8s le 3\u00e8me Jour"},"content":{"rendered":"<div id=\"attachment_357851\" style=\"width: 760px\" class=\"wp-caption alignnone\"><noscript><img decoding=\"async\" aria-describedby=\"caption-attachment-357851\" class=\"lazyload wp-image-357851 size-full\" src=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/TOI-1338-b-planet-1.jpg\" alt=\"NASA TOI-1338-b Un adolescent d&eacute;couvre une plan&egrave;te pendant son stage\" width=\"750\" height=\"385\" srcset=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/TOI-1338-b-planet-1.jpg 750w, https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/TOI-1338-b-planet-1-300x154.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/noscript><img decoding=\"async\" aria-describedby=\"caption-attachment-357851\" class=\"lazyload wp-image-357851 size-full\" src=\"data:image\/svg+xml,&lt;svg xmlns=&quot;http:\/\/www.w3.org\/2000\/svg&quot; viewBox=&quot;0 0 750 385&quot;&gt;&lt;\/svg&gt;\" data-src=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/TOI-1338-b-planet-1.jpg\" alt=\"NASA TOI-1338-b Un adolescent d&eacute;couvre une plan&egrave;te pendant son stage\" width=\"750\" height=\"385\" data-srcset=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/TOI-1338-b-planet-1.jpg 750w, https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/TOI-1338-b-planet-1-300x154.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><p id=\"caption-attachment-357851\" class=\"wp-caption-text\">Photo: capture d'&eacute;cran de <a href=\"https:\/\/youtu.be\/8FrlhrtVEW8\" target=\"_blank\" rel=\"noopener noreferrer\">NASA GODDARD<\/a><\/p><\/div>\n<p><span id=\"s2_1\">Et&eacute; 2019, un lyc&eacute;en de 17 ans du nom de Wolf Cukier arrive au Goddard Space Flight Center de la NASA pour son premier jour de stage, pr&ecirc;t pour un &eacute;t&eacute; studieux.<\/span> On le<span id=\"s2_2\"> charge d&rsquo;examiner les donn&eacute;es recueillies par le Transiting Exoplanet Survey Satellite (TESS), qui recherche des syst&egrave;mes avec deux &eacute;toiles dans l&rsquo;univers.<\/span>&nbsp;<span id=\"s2_3\">&Agrave; peine trois jours apr&egrave;s son entr&eacute;e en fonction, l&rsquo;adolescent rep&egrave;re une anomalie dans les donn&eacute;es d&rsquo;un syst&egrave;me qui indiquait la pr&eacute;sence d&rsquo;une plan&egrave;te jusqu&rsquo;alors inconnue.<\/span>&nbsp;<span id=\"s2_4\">Un an et demi plus tard, la NASA a <a href=\"https:\/\/www.nasa.gov\/feature\/goddard\/2020\/nasa-s-tess-mission-uncovers-its-1st-world-with-two-stars\">publi&eacute;<\/a> ce qu&rsquo;elle sait de cette plan&egrave;te nouvellement d&eacute;couverte appel&eacute;e <a href=\"https:\/\/exoplanets.nasa.gov\/exoplanet-catalog\/7626\/toi-1338-b\/\">TOI-1338 b<\/a>.<\/span><\/p>\n<p><span id=\"s2_1\">TOI-1338 b est consid&eacute;r&eacute; comme une exoplan&egrave;te gazeuse semblable &agrave; Neptune, environ 6,9 fois plus grande que la Terre.<\/span>&nbsp;<span id=\"s2_2\">Une exoplan&egrave;te est une plan&egrave;te en dehors de notre syst&egrave;me solaire.<\/span>&nbsp;<span id=\"s2_3\">Cet exemple se trouve &agrave; 1317 ann&eacute;es-lumi&egrave;re de la Terre et orbite autour de ses deux &eacute;toiles environ tous les 95 jours.<\/span>&nbsp;<span id=\"s2_4\">La d&eacute;couverte de plan&egrave;tes telles que TOI-1338 b est une fonction principale du TESS de la NASA. Le syst&egrave;me documente les syst&egrave;mes &agrave; deux &eacute;toiles pour suivre les variations de lumi&egrave;re.<\/span> Appel&eacute;e binaire &agrave; &eacute;clipse<span id=\"s2_5\">, une &eacute;toile peut parfois bloquer ou &eacute;clipser l&rsquo;autre d&rsquo;un point de vue ici sur Terre.<\/span><\/p>\n<p><span id=\"s2_1\">En &eacute;tudiant les graphiques de ces interruptions de la lumi&egrave;re dans un syst&egrave;me binaire &agrave; &eacute;clipse, avec une &eacute;toile plus grande que notre soleil et une autre &eacute;toile plus petite en orbite l&rsquo;une autour de l&rsquo;autre, Cukier a remarqu&eacute; une anomalie qui ne pouvait &ecirc;tre attribu&eacute;e &agrave; la trajectoire de l&rsquo;une ou l&rsquo;autre des &eacute;toiles.<\/span>&nbsp;<span id=\"s2_2\">L&rsquo;anomalie a en effet &eacute;t&eacute; caus&eacute;e par la trajectoire de TOI-1338 b, qui est non p&eacute;riodique et semble irr&eacute;guli&egrave;re en raison du mouvement des &eacute;toiles.<\/span><\/p>\n<p>Paul Hertz, directeur de la division d&rsquo;astrophysique de la NASA, a d&eacute;clar&eacute; &agrave; <a href=\"https:\/\/www.cbsnews.com\/news\/new-planet-toi-1338-b-discovered-by-nasa-intern-wolf-cukier-tess-satelitte\/\">CBS News<\/a> : &#8220;TESS a &eacute;t&eacute; con&ccedil;u et lanc&eacute; sp&eacute;cifiquement pour trouver des plan&egrave;tes de la taille de la Terre en orbite autour d&rsquo;&eacute;toiles voisines.&#8221; Une fois que ce monde lointain a &eacute;t&eacute; soup&ccedil;onn&eacute;, la NASA a utilis&eacute; un syst&egrave;me connu sous le nom d&rsquo;Eleanor pour analyser beaucoup de donn&eacute;es li&eacute;es aux syst&egrave;mes TOI-1338. Les r&eacute;sultats ont prouv&eacute; que les d&eacute;viations dans la lumi&egrave;re des &eacute;toiles &eacute;taient en fait une plan&egrave;te plut&ocirc;t que des ast&eacute;ro&iuml;des al&eacute;atoires. TOI-1338 b rejoint une liste de plusieurs autres plan&egrave;tes circumbinaires (en orbite autour de deux &eacute;toiles) connues de la NASA. Beaucoup d&rsquo;autres sont susceptibles d&rsquo;&ecirc;tre d&eacute;couverts alors que le TESS continue de suivre les fluctuations de la lumi&egrave;re des &eacute;toiles &agrave; travers l&rsquo;univers.<\/p>\n<p><span id=\"s2_1\">La d&eacute;couverte de TOI-1338 b a certainement &eacute;t&eacute; un plus sur le dossier de candidature &agrave; l'universit&eacute; d&rsquo;un adolescent brillant, mais la nouvelle plan&egrave;te a &eacute;galement fascin&eacute; Internet.<\/span>&nbsp;<span id=\"s2_2\">Dans la <a href=\"https:\/\/exoplanets.nasa.gov\/exoplanet-catalog\/7626\/toi-1338-b\/\">repr&eacute;sentation<\/a> de la plan&egrave;te gazeuse par la NASA, les couleurs pastel de sa surface ont suscit&eacute; de l&rsquo;admiration pour la belle plan&egrave;te.<\/span>&nbsp;<span id=\"s2_4\">Bien qu&rsquo;on puisse pr&eacute;dire l&rsquo;apparence d&rsquo;une plan&egrave;te &agrave; l&rsquo;aide de donn&eacute;es sur sa composition et sa taille, il est impossible de photographier ou de voir une plan&egrave;te si loin en utilisant la technologie actuelle.<\/span>&nbsp;<span id=\"s2_5\">Bien que nous sachions que TOI-1338 b est l&agrave;, quelque part, &agrave; partir des donn&eacute;es analys&eacute;es par Cukier et la NASA, nous ne pouvons pour l'instant qu&rsquo; imaginer l&rsquo;aspect de ce nouveau monde.<\/span>\n<\/p>\n<h2>Wolf Cukier, un adolescent de 17 ans a d&eacute;couvert une nouvelle plan&egrave;te gazeuse pendant son troisi&egrave;me jour de stage &agrave; la NASA pendant l'&eacute;t&eacute; 2019.<\/h2>\n<div id=\"attachment_357867\" style=\"width: 760px\" class=\"wp-caption alignnone\"><noscript><img decoding=\"async\" aria-describedby=\"caption-attachment-357867\" class=\"lazyload wp-image-357867 size-full\" src=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/circumbinary-1.jpg\" alt=\"NASA TOI-1338-b Un adolescent d&eacute;couvre une plan&egrave;te pendant son stage\" width=\"750\" height=\"449\" srcset=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/circumbinary-1.jpg 750w, https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/circumbinary-1-300x180.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/noscript><img decoding=\"async\" aria-describedby=\"caption-attachment-357867\" class=\"lazyload wp-image-357867 size-full\" src=\"data:image\/svg+xml,&lt;svg xmlns=&quot;http:\/\/www.w3.org\/2000\/svg&quot; viewBox=&quot;0 0 750 449&quot;&gt;&lt;\/svg&gt;\" data-src=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/circumbinary-1.jpg\" alt=\"NASA TOI-1338-b Un adolescent d&eacute;couvre une plan&egrave;te pendant son stage\" width=\"750\" height=\"449\" data-srcset=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/circumbinary-1.jpg 750w, https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/circumbinary-1-300x180.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><p id=\"caption-attachment-357867\" class=\"wp-caption-text\">TOI 1338 b avec ses deux &eacute;toiles. (Photo: capture d'&eacute;cran de <a href=\"https:\/\/youtu.be\/8FrlhrtVEW8\" target=\"_blank\" rel=\"noopener noreferrer\">NASA GODDARD<\/a>)<\/p><\/div>\n<h2>Avec la d&eacute;couverte, les repr&eacute;sentations imag&eacute;es de la plan&egrave;te ont &eacute;t&eacute; d&eacute;voil&eacute;s et ont compl&egrave;tement assomm&eacute; Internet.<\/h2>\n<blockquote class=\"twitter-tweet\">\n<p dir=\"ltr\" lang=\"en\">look at this planet that nasa found&#8230;shes gorgeous&#8230; <a href=\"https:\/\/t.co\/Msn7wyVtGd\">pic.twitter.com\/Msn7wyVtGd<\/a><\/p>\n<p>&mdash; jessi has komaeda brainrot (@paintwater_boba) <a href=\"https:\/\/twitter.com\/paintwater_boba\/status\/1350560502112526342?ref_src=twsrc%5Etfw\">January 16, 2021<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<h2>La plan&egrave;te, TOI-1338 b, est plus grande que la Terre, et si loin que son existence n&rsquo;a &eacute;t&eacute; d&eacute;couverte qu&rsquo;en analysant les &#8220;anomalies&#8221; de lumi&egrave;re alors qu&rsquo;elle orbite dans son syst&egrave;me.<\/h2>\n<div id=\"attachment_357871\" style=\"width: 760px\" class=\"wp-caption alignnone\"><noscript><img decoding=\"async\" aria-describedby=\"caption-attachment-357871\" class=\"lazyload wp-image-357871 size-full\" src=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/orbit-planet-1.jpg\" alt=\"NASA TOI-1338-b Un adolescent d&eacute;couvre une plan&egrave;te pendant son stage\" width=\"750\" height=\"449\" srcset=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/orbit-planet-1.jpg 750w, https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/orbit-planet-1-300x180.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/noscript><img decoding=\"async\" aria-describedby=\"caption-attachment-357871\" class=\"lazyload wp-image-357871 size-full\" src=\"data:image\/svg+xml,&lt;svg xmlns=&quot;http:\/\/www.w3.org\/2000\/svg&quot; viewBox=&quot;0 0 750 449&quot;&gt;&lt;\/svg&gt;\" data-src=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/orbit-planet-1.jpg\" alt=\"NASA TOI-1338-b Un adolescent d&eacute;couvre une plan&egrave;te pendant son stage\" width=\"750\" height=\"449\" data-srcset=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/orbit-planet-1.jpg 750w, https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/orbit-planet-1-300x180.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><p id=\"caption-attachment-357871\" class=\"wp-caption-text\">La trajectoire orbitale de TOI 1338 b. (Photo: capture d'&eacute;cran de <a href=\"https:\/\/youtu.be\/8FrlhrtVEW8\" target=\"_blank\" rel=\"noopener noreferrer\">NASA GODDARD<\/a>)<\/p><\/div>\n<h2>TOI-1338 b s&rsquo;ajoute &agrave; une liste croissante de plan&egrave;tes circumbinaires qui orbitent autour de syst&egrave;mes &agrave; deux &eacute;toiles.<\/h2>\n<div id=\"attachment_357874\" style=\"width: 760px\" class=\"wp-caption alignnone\"><noscript><img decoding=\"async\" aria-describedby=\"caption-attachment-357874\" class=\"lazyload wp-image-357874 size-full\" src=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/light-dip-nasa-1.jpg\" alt=\"NASA TOI-1338-b Un adolescent d&eacute;couvre une plan&egrave;te pendant son stage\" width=\"750\" height=\"449\" srcset=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/light-dip-nasa-1.jpg 750w, https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/light-dip-nasa-1-300x180.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/noscript><img decoding=\"async\" aria-describedby=\"caption-attachment-357874\" class=\"lazyload wp-image-357874 size-full\" src=\"data:image\/svg+xml,&lt;svg xmlns=&quot;http:\/\/www.w3.org\/2000\/svg&quot; viewBox=&quot;0 0 750 449&quot;&gt;&lt;\/svg&gt;\" data-src=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/light-dip-nasa-1.jpg\" alt=\"NASA TOI-1338-b Un adolescent d&eacute;couvre une plan&egrave;te pendant son stage\" width=\"750\" height=\"449\" data-srcset=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/light-dip-nasa-1.jpg 750w, https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/light-dip-nasa-1-300x180.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><p id=\"caption-attachment-357874\" class=\"wp-caption-text\">Une illustration d'une &#8220;anomalie&#8221; de lumi&egrave;re. (Photo: capture d'&eacute;cran de <a href=\"https:\/\/youtu.be\/8FrlhrtVEW8\" target=\"_blank\" rel=\"noopener noreferrer\">NASA GODDARD<\/a>)<\/p><\/div>\n<h2>D&eacute;couvrez-en davantage &agrave; propos de TOI-1338 b avec la NASA.<\/h2>\n<div id=\"attachment_357856\" style=\"width: 760px\" class=\"wp-caption alignnone\"><noscript><img decoding=\"async\" aria-describedby=\"caption-attachment-357856\" class=\"lazyload wp-image-357856 size-full\" src=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/teen-discovers-new-planet-1.jpg\" alt=\" Un adolescent d&eacute;couvre une plan&egrave;te pendant son stage\" width=\"750\" height=\"434\"><\/noscript><img decoding=\"async\" aria-describedby=\"caption-attachment-357856\" class=\"lazyload wp-image-357856 size-full\" src=\"data:image\/svg+xml,&lt;svg xmlns=&quot;http:\/\/www.w3.org\/2000\/svg&quot; viewBox=&quot;0 0 750 434&quot;&gt;&lt;\/svg&gt;\" data-src=\"https:\/\/mymodernmet.com\/wp\/wp-content\/uploads\/2021\/01\/teen-discovers-new-planet-1.jpg\" alt=\" Un adolescent d&eacute;couvre une plan&egrave;te pendant son stage\" width=\"750\" height=\"434\"><p id=\"caption-attachment-357856\" class=\"wp-caption-text\">Trajectoire Orbitale de la nouvelle plan&egrave;te. (Photo: capture d'&eacute;cran de <a href=\"https:\/\/youtu.be\/8FrlhrtVEW8\" target=\"_blank\" rel=\"noopener noreferrer\">NASA GODDARD<\/a>)<\/p><\/div>\n<p>Remerciements : [<a href=\"https:\/\/www.npr.org\/2020\/01\/11\/795514881\/nasa-intern-discovers-new-planet\" target=\"_blank\" rel=\"noopener noreferrer\">NPR<\/a>]<\/p>\n<h2><span style=\"text-decoration: underline;\">Articles Similaires :<\/span><\/h2>\n<p><a href=\"https:\/\/mymodernmet.com\/fr\/illustrations-fonte-glaciers-zaria-forman\/\" target=\"_blank\" rel=\"noopener\">Ces Illustrations Hyperr&eacute;alistes au Pastel R&eacute;v&egrave;lent l&rsquo;Effet du R&eacute;chauffement Climatique sur les Glaciers de l&rsquo;Arctique<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Et&eacute; 2019, un lyc&eacute;en de 17 ans du nom de Wolf Cukier arrive au Goddard Space Flight Center de la NASA pour son premier jour de stage, pr&ecirc;t pour un &eacute;t&eacute; studieux. On le charge d&rsquo;examiner les donn&eacute;es recueillies par le Transiting Exoplanet Survey Satellite (TESS), qui recherche des syst&egrave;mes avec deux &eacute;toiles dans l&rsquo;univers.&nbsp;&Agrave; [&hellip;]<\/p>\n","protected":false},"author":727,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"footnotes":""},"categories":[379649],"tags":[382885,382884,382886,380032,382883],"class_list":["post-386477","post","type-post","status-publish","format-standard","hentry","category-astronomie","tag-adolescent-stage-nasa","tag-exoplanete","tag-nasa-fr","tag-planete","tag-planete-exumbinaire"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.6 (Yoast SEO v26.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Un Adolescent en Stage \u00e0 la NASA D\u00e9couvre une Nouvelle Plan\u00e8te<\/title>\n<meta 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