{"id":27173,"date":"2025-08-20T12:14:34","date_gmt":"2025-08-20T10:14:34","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=27173"},"modified":"2025-08-20T12:14:34","modified_gmt":"2025-08-20T10:14:34","slug":"des-planetes-errantes-flottant-dans-lespace-semblent-former-leurs-propres-lunes","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/des-planetes-errantes-flottant-dans-lespace-semblent-former-leurs-propres-lunes\/","title":{"rendered":"Des plan\u00e8tes errantes flottant dans l&rsquo;espace semblent former leurs propres lunes"},"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>Les objets flottants de masse plan\u00e9taire qui d\u00e9rivent sans souci \u00e0 travers la galaxie, sans attaches et sans \u00e9toiles, semblent \u00eatre capables de g\u00e9n\u00e9rer leurs propres syst\u00e8mes de lunes, comme un syst\u00e8me plan\u00e9taire \u00e0 l&rsquo;\u00e9chelle miniature.<\/p>\n<p>Une analyse des nouvelles observations du JWST sur un certain nombre de plan\u00e8tes errantes \u2013 chacune pesant entre cinq et dix Jupiters \u2013 a r\u00e9v\u00e9l\u00e9 la pr\u00e9sence de disques contenant une proportion significative de silicate cristallin, tout comme ceux qui entourent certaines \u00e9toiles b\u00e9b\u00e9s juste avant que leurs plan\u00e8tes ne commencent \u00e0 se former.<\/p>\n<p>\u00ab Ces \u00e9tudes montrent que les objets dont la masse est comparable \u00e0 celle des plan\u00e8tes g\u00e9antes ont le potentiel de former leurs propres syst\u00e8mes plan\u00e9taires miniatures \u00bb, explique l&rsquo;astronome d&rsquo;observation Aleks Scholz de l&rsquo;Universit\u00e9 de St Andrews au Royaume-Uni.<\/p>\n<p>\u00ab Ces syst\u00e8mes pourraient ressembler au syst\u00e8me solaire, mais r\u00e9duits d&rsquo;un facteur 100 ou plus en termes de masse et de taille. Reste \u00e0 savoir si de tels syst\u00e8mes existent r\u00e9ellement. \u00bb<\/p>\n<p>Ces derni\u00e8res ann\u00e9es, le JWST a r\u00e9v\u00e9l\u00e9 une classe fascinante d&rsquo; objets in\u00e9dits , flottant dans des r\u00e9gions n\u00e9buleuses denses de l&rsquo;espace. On les appelle objets de masse plan\u00e9taire flottants, ou FFPMO, et ils correspondent exactement \u00e0 leur nom : des objets d&rsquo;une masse pouvant atteindre dix Jupiters, flottants et errants.<\/p>\n<figure id=\"attachment_27174\" aria-describedby=\"caption-attachment-27174\" style=\"width: 642px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"27174\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/des-planetes-errantes-flottant-dans-lespace-semblent-former-leurs-propres-lunes\/etoiles-persee\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/08\/etoiles-persee.jpg?fit=642%2C525&amp;ssl=1\" data-orig-size=\"642,525\" 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=\"etoiles persee\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Certains FFPMO ont \u00e9t\u00e9 d\u00e9couverts dans le nuage mol\u00e9culaire de formation d\u2019\u00e9toiles de Pers\u00e9e. ( ESA\/Webb, NASA &amp;#038; CSA, A. Scholz, K. Muzic, A. Langeveld, R. Jayawardhana )&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/08\/etoiles-persee.jpg?fit=642%2C525&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/08\/etoiles-persee.jpg?resize=642%2C525&#038;ssl=1\" alt=\"\" width=\"642\" height=\"525\" class=\"size-full wp-image-27174\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/08\/etoiles-persee.jpg?w=642&amp;ssl=1 642w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/08\/etoiles-persee.jpg?resize=300%2C245&amp;ssl=1 300w\" sizes=\"auto, (max-width: 642px) 100vw, 642px\" \/><figcaption id=\"caption-attachment-27174\" class=\"wp-caption-text\">Certains FFPMO ont \u00e9t\u00e9 d\u00e9couverts dans le nuage mol\u00e9culaire de formation d\u2019\u00e9toiles de Pers\u00e9e. ( ESA\/Webb, NASA &#038; CSA, A. Scholz, K. Muzic, A. Langeveld, R. Jayawardhana )<\/figcaption><\/figure>\n<p>Les poches d&rsquo;espace qu&rsquo;elles habitent sont g\u00e9n\u00e9ralement des lieux de naissance de nombreuses \u00e9toiles. De tels environnements pourraient \u00eatre truff\u00e9s d&rsquo;exoplan\u00e8tes flottant librement, en partie parce que de nombreuses \u00e9toiles proches peuvent perturber gravitationnellement les syst\u00e8mes plan\u00e9taires naissants des autres. Mais il est \u00e9galement possible que les FFPMO se soient simplement form\u00e9es de cette fa\u00e7on, \u00e0 la mani\u00e8re des \u00e9toiles.<\/p>\n<p>Des observations ant\u00e9rieures ont r\u00e9v\u00e9l\u00e9 que les FFPMO peuvent \u00eatre entour\u00e9s d\u2019un disque de mati\u00e8re en orbite, semblable \u00e0 ce que l\u2019on observe autour d\u2019une \u00e9toile b\u00e9b\u00e9.<\/p>\n<p>Dans le cas des \u00e9toiles, ce disque est un vestige de leur formation. Le jeune Soleil, en rotation, enroule de la mati\u00e8re provenant du nuage n\u00e9bulaire qui l&rsquo;entoure, ce qui forme un disque par conservation du moment cin\u00e9tique. La mati\u00e8re r\u00e9siduelle de ce disque est \u00e0 partir de laquelle les plan\u00e8tes de l&rsquo;\u00e9toile se forment.<\/p>\n<p>La pr\u00e9sence de disques autour des FFPMO pourrait signifier qu&rsquo;ils se forment de la m\u00eame mani\u00e8re que les \u00e9toiles . Mais la question suivante est de savoir si les disques se comportent de la m\u00eame mani\u00e8re apr\u00e8s la formation de l&rsquo;objet central ; c&rsquo;est ce qu&rsquo;une \u00e9quipe dirig\u00e9e par l&rsquo;astrophysicienne Belinda Damian de l&rsquo;Universit\u00e9 de St Andrews a entrepris de d\u00e9terminer.<\/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\/UNPj7e6XJCQ?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>Ils ont utilis\u00e9 les observations du JWST pour \u00e9tudier la composition des disques de huit FFPMO dans la n\u00e9buleuse d&rsquo;Orion, et ont d\u00e9couvert des preuves de grains d&rsquo;hydrocarbures et de silicates avec des signes de croissance de poussi\u00e8re et de cristallisation, similaires \u00e0 ce que l&rsquo;on observe parfois dans les syst\u00e8mes plan\u00e9taires se formant autour d&rsquo;une \u00e9toile b\u00e9b\u00e9.<\/p>\n<p>Les r\u00e9sultats sugg\u00e8rent qu&rsquo;un jour, ces objets \u00e9tranges pourraient poss\u00e9der de vastes syst\u00e8mes de lunes, et m\u00eame des anneaux, semblables \u00e0 Jupiter ou Saturne , ou encore un syst\u00e8me plan\u00e9taire miniature. \u00c9tant donn\u00e9 que nous n&rsquo;avons pas encore trouv\u00e9 de preuve concr\u00e8te de l&rsquo;existence d&rsquo;une lune en dehors du syst\u00e8me solaire , c&rsquo;est tout \u00e0 fait prometteur.<\/p>\n<p>\u00ab Ces d\u00e9couvertes montrent que les \u00e9l\u00e9ments constitutifs de la formation des plan\u00e8tes peuvent \u00eatre trouv\u00e9s m\u00eame autour d&rsquo;objets \u00e0 peine plus grands que Jupiter et d\u00e9rivant seuls dans l&rsquo;espace \u00bb, explique Damian .<\/p>\n<p>\u00ab Cela signifie que la formation de syst\u00e8mes plan\u00e9taires n\u2019est pas exclusive aux \u00e9toiles, mais pourrait \u00e9galement se produire autour de mondes solitaires sans \u00e9toiles. \u00bb<\/p>\n<p>La recherche a \u00e9t\u00e9 publi\u00e9e dans <a href=\"https:\/\/doi.org\/10.3847\/1538-3881\/adea50\" target=\"_blank\">Astronomy &amp; Astrophysics.<\/a><\/p>\n<p>Adaptation <a href=\"https:\/\/www.laterredufutur.com\/accueil\/\" target=\"_blank\">Terra Projects<\/a><\/p>\n<p>Source : <a href=\"https:\/\/www.sciencealert.com\/rogue-planets-floating-in-space-appear-to-be-forming-their-own-moons\" target=\"_blank\">https:\/\/www.sciencealert.com\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"27173\">(97)<\/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>Les objets flottants de masse plan\u00e9taire qui d\u00e9rivent sans souci \u00e0 travers la galaxie, sans attaches et sans \u00e9toiles, semblent&#8230;<\/p>\n","protected":false},"author":1,"featured_media":27175,"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_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"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":[117,359,122,8249],"class_list":["post-27173","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-espace","tag-exoplanete","tag-lune","tag-planete-errante","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/08\/planete-errante.jpg?fit=1024%2C415&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-74h","jetpack-related-posts":[{"id":25974,"url":"https:\/\/www.laterredufutur.com\/accueil\/quest-ce-que-le-probleme-des-trois-corps-et-est-il-vraiment-insoluble\/","url_meta":{"origin":27173,"position":0},"title":"Qu&rsquo;est-ce que le probl\u00e8me des trois corps et est-il vraiment insoluble ?","author":"Admin","date":"14 juin 2024","format":false,"excerpt":"Le probl\u00e8me des trois corps est une \u00e9nigme physique qui d\u00e9concerte les scientifiques depuis l'\u00e9poque d'Isaac Newton. Mais qu'est-ce que c'est, pourquoi est-il si difficile \u00e0 r\u00e9soudre et la s\u00e9rie de science-fiction du m\u00eame nom est-elle vraiment possible ? Un lancement de fus\u00e9e. Notre plus proche voisin stellaire. Une \u00e9mission\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\/06\/tatooine-.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\/06\/tatooine-.jpg?fit=1024%2C1024&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/06\/tatooine-.jpg?fit=1024%2C1024&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/06\/tatooine-.jpg?fit=1024%2C1024&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":27795,"url":"https:\/\/www.laterredufutur.com\/accueil\/des-scientifiques-reperent-la-collision-de-deux-planetes-un-desastre-qui-vous-donnera-la-chair-de-poule\/","url_meta":{"origin":27173,"position":1},"title":"Des scientifiques rep\u00e8rent la collision de deux plan\u00e8tes, un d\u00e9sastre qui vous donnera la chair de poule","author":"Admin","date":"19 mars 2026","format":false,"excerpt":"Des astronomes affirment avoir rep\u00e9r\u00e9 des preuves d'une collision cataclysmique entre deux plan\u00e8tes lointaines. En plus de nous donner des frissons, l' \u00e9tude qui en r\u00e9sulte, publi\u00e9e dans la revue The Astrophysical Journal Letters, pourrait \u00e9galement apporter un nouvel \u00e9clairage sur l'\u00e9volution de notre propre syst\u00e8me solaire \u2014 et peut-\u00eatre\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\/2026\/03\/collision-exoplanetes.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\/2026\/03\/collision-exoplanetes.jpg?fit=1200%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/03\/collision-exoplanetes.jpg?fit=1200%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/03\/collision-exoplanetes.jpg?fit=1200%2C800&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/03\/collision-exoplanetes.jpg?fit=1200%2C800&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":26278,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-nasa-detecte-du-dioxyde-de-carbone-a-la-surface-de-charon-la-lune-de-pluton\/","url_meta":{"origin":27173,"position":2},"title":"La NASA d\u00e9tecte du dioxyde de carbone \u00e0 la surface de Charon, la lune de Pluton","author":"Admin","date":"4 octobre 2024","format":false,"excerpt":"Aux confins de notre syst\u00e8me solaire, \u00e0 5,7 milliards de kilom\u00e8tres du Soleil, se trouve la plan\u00e8te naine Pluton. Plus petite que l'Australie, c'est un monde glac\u00e9 compos\u00e9 de montagnes, de glaciers et de crat\u00e8res, o\u00f9 la temp\u00e9rature moyenne est de -232\u00b0C. Cinq lunes gravitent autour de Pluton : Styx,\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\/10\/pluton-charon.jpg?fit=754%2C555&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/10\/pluton-charon.jpg?fit=754%2C555&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/10\/pluton-charon.jpg?fit=754%2C555&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/10\/pluton-charon.jpg?fit=754%2C555&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":25055,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-mysterieuse-neuvieme-planete-du-systeme-solaire\/","url_meta":{"origin":27173,"position":3},"title":"La myst\u00e9rieuse neuvi\u00e8me plan\u00e8te du syst\u00e8me solaire","author":"Admin","date":"3 juillet 2023","format":false,"excerpt":"Une plan\u00e8te inconnue pourrait se trouver \u00e0 la p\u00e9riph\u00e9rie de notre syst\u00e8me solaire. Les plan\u00e8tes voyous sont assez inhabituelles - elles existent en dehors d'un syst\u00e8me stellaire et peuvent m\u00eame s'\u00e9chapper de leur syst\u00e8me d'origine et voyager toutes seules dans l'espace. Aujourd'hui, les chercheurs James Vesper et Paul Mason, de\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\/2021\/11\/planete-9.jpg?fit=1024%2C683&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/11\/planete-9.jpg?fit=1024%2C683&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/11\/planete-9.jpg?fit=1024%2C683&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/11\/planete-9.jpg?fit=1024%2C683&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":24007,"url":"https:\/\/www.laterredufutur.com\/accueil\/objectif-uranus\/","url_meta":{"origin":27173,"position":4},"title":"Objectif Uranus","author":"Admin","date":"2 mai 2022","format":false,"excerpt":"Le 19 avril 2022, les Acad\u00e9mies am\u00e9ricaines des sciences, de l\u2019ing\u00e9nierie et de la m\u00e9decine ont publi\u00e9 un imposant rapport de pr\u00e8s de 800 pages sur les explorations plan\u00e9taires \u00e0 mener dans les dix ans \u00e0 venir. Elles estiment que, en plus de la mission de retour d\u2019\u00e9chantillons martiens, priorit\u00e9\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\/11\/uranus.jpg?fit=1200%2C705&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/11\/uranus.jpg?fit=1200%2C705&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/11\/uranus.jpg?fit=1200%2C705&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/11\/uranus.jpg?fit=1200%2C705&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/11\/uranus.jpg?fit=1200%2C705&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":21489,"url":"https:\/\/www.laterredufutur.com\/accueil\/certaines-planetes-pourraient-etre-meilleures-candidates-a-la-vie-que-la-terre\/","url_meta":{"origin":27173,"position":5},"title":"Certaines plan\u00e8tes pourraient \u00eatre meilleures candidates \u00e0 la vie que la Terre","author":"Admin","date":"18 octobre 2020","format":false,"excerpt":"La Terre n'est pas n\u00e9cessairement la meilleure plan\u00e8te de l'univers.\u00a0Les chercheurs ont identifi\u00e9 deux douzaines de plan\u00e8tes en dehors de notre syst\u00e8me solaire qui peuvent avoir des conditions plus propices \u00e0 la vie que la n\u00f4tre.\u00a0Certaines de ces plan\u00e8tes en orbite autour d'\u00e9toiles pourraient \u00eatre meilleures que notre propre soleil.\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\/10\/exoplanete.jpg?fit=1200%2C575&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/10\/exoplanete.jpg?fit=1200%2C575&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/10\/exoplanete.jpg?fit=1200%2C575&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/10\/exoplanete.jpg?fit=1200%2C575&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/10\/exoplanete.jpg?fit=1200%2C575&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/27173","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=27173"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/27173\/revisions"}],"predecessor-version":[{"id":27176,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/27173\/revisions\/27176"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/27175"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=27173"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=27173"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=27173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}