{"id":286115,"date":"2026-06-11T14:53:05","date_gmt":"2026-06-11T13:53:05","guid":{"rendered":"https:\/\/www.unistellar.com\/disclosure-day-what-science-says\/"},"modified":"2026-06-18T10:20:16","modified_gmt":"2026-06-18T09:20:16","slug":"disclosure-day-what-science-says","status":"publish","type":"page","link":"https:\/\/www.unistellar.com\/fr\/disclosure-day-what-science-says\/","title":{"rendered":"DISCLOSURE DAY &#8211; What science says ?"},"content":{"rendered":"<p>[et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.24.0&Prime; background_color=\u00a0\u00bb#0a0a1a\u00a0\u00bb custom_padding=\u00a0\u00bb60px|0px|0px|0px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.24.0&Prime; max_width=\u00a0\u00bb860px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.24.0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.24.0&Prime; text_font=\u00a0\u00bb||||||||\u00a0\u00bb text_text_color=\u00a0\u00bb#cccccc\u00a0\u00bb text_line_height=\u00a0\u00bb1.8em\u00a0\u00bb header_font=\u00a0\u00bb||||||||\u00a0\u00bb header_text_color=\u00a0\u00bb#ffffff\u00a0\u00bb header_font_size=\u00a0\u00bb42px\u00a0\u00bb header_2_font=\u00a0\u00bb||||||||\u00a0\u00bb header_2_text_color=\u00a0\u00bb#aaddff\u00a0\u00bb header_2_font_size=\u00a0\u00bb18px\u00a0\u00bb custom_padding=\u00a0\u00bb0px|0px|20px|0px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h1>DISCLOSURE DAY \u2014 Ce que dit la science\u00a0?<\/h1>\n<h2>Commentaire de Lauren Sgro, responsable du programme \u00ab\u00a0Transits d\u2019exoplan\u00e8tes\u00a0\u00bb chez Unistellar au SETI Institute.<\/h2>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.24.0&Prime; background_color=\u00a0\u00bb#0d0d2b\u00a0\u00bb custom_padding=\u00a0\u00bb60px|0px|60px|0px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.24.0&Prime; max_width=\u00a0\u00bb860px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.24.0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.4&Prime; text_font=\u00a0\u00bb||||||||\u00a0\u00bb text_text_color=\u00a0\u00bb#cccccc\u00a0\u00bb text_line_height=\u00a0\u00bb1.8em\u00a0\u00bb header_2_font=\u00a0\u00bb||||||||\u00a0\u00bb header_2_text_color=\u00a0\u00bb#66bbff\u00a0\u00bb header_2_font_size=\u00a0\u00bb28px\u00a0\u00bb header_3_text_color=\u00a0\u00bb#ffffff\u00a0\u00bb header_3_font_size=\u00a0\u00bb20px\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<h2>SI UN CONTACT AVAIT LIEU DEMAIN : QUE SE PASSERAIT-IL VRAIMENT ?<\/h2>\n<p>Les films sur les invasions extraterrestres imaginent le secret, la panique et des r\u00e9ponses militaires imm\u00e9diates.<\/p>\n<p>La r\u00e9alit\u00e9 est plus simple\u00a0: il n\u2019existe actuellement aucun protocole mondial officiel pour un contact extraterrestre. Ce qui existe \u00e0 la place est un m\u00e9lange de proc\u00e9dures scientifiques, de trait\u00e9s internationaux et de syst\u00e8mes de gestion de crise existants.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin-top: 30px; font-size: 13px; color: #cccccc;\">\n<thead>\n<tr style=\"background-color: #1a1a4a;\">\n<th style=\"padding: 14px 16px; border: 1px solid #334; text-align: left; color: #66bbff; width: 25%;\">Question<\/th>\n<th style=\"padding: 14px 16px; border: 1px solid #334; text-align: left; color: #66bbff; width: 50%;\">Ce que dit la science<\/th>\n<th style=\"padding: 14px 16px; border: 1px solid #334; text-align: left; color: #66bbff; width: 25%;\">Sources<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background-color: #111130;\">\n<td style=\"padding: 14px 16px; border: 1px solid #334; vertical-align: top;\"><strong>Un signal est d\u00e9tect\u00e9. Que se passe-t-il en premier\u00a0?<\/strong><\/td>\n<td style=\"padding: 14px 16px; border: 1px solid #334; vertical-align: top;\">Les annonces publiques imm\u00e9diates sont hors de question. Les protocoles r\u00e9cemment mis \u00e0 jour imposent une v\u00e9rification rigoureuse et ind\u00e9pendante par plusieurs organisations utilisant des instruments totalement diff\u00e9rents avant toute divulgation publique. L\u2019objectif principal est d\u2019\u00e9carter les faux positifs et de devancer les rumeurs virales, les deepfakes g\u00e9n\u00e9r\u00e9s par l\u2019IA et la d\u00e9sinformation galopante, avant qu\u2019un consensus scientifique solide soit \u00e9tabli.<\/td>\n<td style=\"padding: 14px 16px; border: 1px solid #334; vertical-align: top; font-style: italic;\">D\u00e9claration de principes post-d\u00e9tection de l\u2019IAA (ratifi\u00e9e en juin 2026)\u00a0; Comit\u00e9 permanent SETI de l\u2019IAA (Pr. Michael Garrett).<\/td>\n<\/tr>\n<tr style=\"background-color: #0f0f28;\">\n<td style=\"padding: 14px 16px; border: 1px solid #334; vertical-align: top;\"><strong>Le droit international couvre-t-il d\u00e9j\u00e0 le contact extraterrestre\u00a0?<\/strong><\/td>\n<td style=\"padding: 14px 16px; border: 1px solid #334; vertical-align: top;\">Rien n\u2019est stipul\u00e9 concernant le contact extraterrestre. Pourtant, le Trait\u00e9 sur l\u2019espace extra-atmosph\u00e9rique de 1967 \u00e9tablit le cadre g\u00e9n\u00e9ral du droit spatial selon les principes suivants\u00a0: utilisation pacifique de l\u2019espace, interdiction de l\u2019appropriation nationale, et responsabilit\u00e9 des \u00c9tats pour leurs activit\u00e9s spatiales.<\/td>\n<td style=\"padding: 14px 16px; border: 1px solid #334; vertical-align: top; font-style: italic;\">Trait\u00e9 sur l\u2019espace extra-atmosph\u00e9rique (1967)\u00a0; UNOOSA<\/td>\n<\/tr>\n<tr style=\"background-color: #111130;\">\n<td style=\"padding: 14px 16px; border: 1px solid #334; vertical-align: top;\"><strong>Les gouvernements ont-ils un plan de r\u00e9ponse aux extraterrestres\u00a0?<\/strong><\/td>\n<td style=\"padding: 14px 16px; border: 1px solid #334; vertical-align: top;\">La plupart des pays ne disposent d\u2019aucun plan de r\u00e9ponse extraterrestre d\u00e9di\u00e9. En cas de menace, les syst\u00e8mes d\u2019urgence existants seraient probablement utilis\u00e9s \u00e0 la place\u00a0: structures de gestion de crise, r\u00e9seaux de protection civile, alertes d\u2019urgence et m\u00e9canismes de coordination gouvernementale.<\/td>\n<td style=\"padding: 14px 16px; border: 1px solid #334; vertical-align: top; font-style: italic;\">Les plans am\u00e9ricains pour les ast\u00e9ro\u00efdes, les urgences nationales et les ph\u00e9nom\u00e8nes a\u00e9riens non identifi\u00e9s (aucun plan publiquement connu pour un contact extraterrestre confirm\u00e9)\u00a0; documentation fran\u00e7aise de s\u00e9curit\u00e9 civile (SAIP)<\/td>\n<\/tr>\n<tr style=\"background-color: #0f0f28;\">\n<td style=\"padding: 14px 16px; border: 1px solid #334; vertical-align: top;\"><strong>Quel est le plus grand d\u00e9fi\u00a0?<\/strong><\/td>\n<td style=\"padding: 14px 16px; border: 1px solid #334; vertical-align: top;\">Au-del\u00e0 du vide juridique massif sur la mani\u00e8re dont l\u2019humanit\u00e9 devrait interagir avec une intelligence non humaine, le plus grand obstacle est notre \u00e9cosyst\u00e8me d\u2019information actuel. G\u00e9rer la propagation instantan\u00e9e et virale d\u2019un signal \u00e0 l\u2019\u00e8re des r\u00e9seaux sociaux 24h\/24 et 7j\/7 \u2014 tout en prot\u00e9geant les chercheurs de la pression m\u00e9diatique intense, du doxxing et du harc\u00e8lement en ligne \u2014 constitue la nouvelle fronti\u00e8re scientifique.<\/td>\n<td style=\"padding: 14px 16px; border: 1px solid #334; vertical-align: top; font-style: italic;\">SETI Institute\u00a0; Pr. Michael Garrett (2026)\u00a0; Litt\u00e9rature internationale en droit spatial.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.24.0&Prime; background_color=\u00a0\u00bb#0a0a1a\u00a0\u00bb custom_padding=\u00a0\u00bb60px|0px|60px|0px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.24.0&Prime; max_width=\u00a0\u00bb860px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.24.0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.4&Prime; text_font=\u00a0\u00bb||||||||\u00a0\u00bb text_text_color=\u00a0\u00bb#cccccc\u00a0\u00bb text_line_height=\u00a0\u00bb1.8em\u00a0\u00bb header_2_font=\u00a0\u00bb||||||||\u00a0\u00bb header_2_text_color=\u00a0\u00bb#66bbff\u00a0\u00bb header_2_font_size=\u00a0\u00bb28px\u00a0\u00bb header_3_text_color=\u00a0\u00bb#aaddff\u00a0\u00bb header_3_font_size=\u00a0\u00bb20px\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<h2>QUELLE EST LA PROBABILIT\u00c9 QUE LA VIE EXTRATERRESTRE EXISTE ?<\/h2>\n<p>La r\u00e9ponse scientifique actuelle est\u00a0: <strong>Nous savons d\u00e9sormais que de nombreux ingr\u00e9dients n\u00e9cessaires \u00e0 la vie semblent courants, mais nous n\u2019avons toujours aucune preuve directe ailleurs.<\/strong> La recherche d\u2019intelligence extraterrestre ne d\u00e9pend peut-\u00eatre pas de la d\u00e9couverte d\u2019un message. Elle peut d\u00e9pendre de la reconnaissance de l\u2019empreinte technologique que laissent les civilisations avanc\u00e9es.<\/p>\n<h3>Les chiffres ont radicalement chang\u00e9<\/h3>\n<ul>\n<li><strong>&gt; 6\u00a0000<\/strong> exoplan\u00e8tes confirm\u00e9es d\u00e9couvertes \u00e0 ce jour<\/li>\n<li>Probablement <strong>des centaines de milliards<\/strong> de plan\u00e8tes dans notre galaxie<\/li>\n<li><strong>Z\u00e9ro<\/strong> d\u00e9tection confirm\u00e9e de vie extraterrestre<\/li>\n<\/ul>\n<p>Pour analyser l\u2019habitabilit\u00e9 d\u2019une plan\u00e8te, les scientifiques utilisent deux grandes approches. Ils s\u2019appuient sur des <strong>observations \u00e0 distance<\/strong>, en utilisant des outils comme des t\u00e9lescopes, des spectrom\u00e8tres et des spectrographes pour \u00e9tudier la plan\u00e8te de loin. Pour les plan\u00e8tes de notre syst\u00e8me solaire, l\u2019<strong>exploration in situ<\/strong> est la deuxi\u00e8me option \u2014 envoyer du mat\u00e9riel comme des rovers, des foreuses, des cam\u00e9ras et des laboratoires miniaturis\u00e9s \u00e0 la surface.<\/p>\n<p>Les scientifiques recherchent g\u00e9n\u00e9ralement trois grands ingr\u00e9dients pour d\u00e9terminer si la vie extraterrestre pourrait exister sur une plan\u00e8te\u00a0:<\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin-top: 20px; margin-bottom: 30px; font-size: 15px; color: #cccccc;\">\n<thead>\n<tr style=\"background-color: #1a1a4a;\">\n<th style=\"padding: 14px 16px; border: 1px solid #334; text-align: left; color: #66bbff; width: 25%;\">Ingr\u00e9dient<\/th>\n<th style=\"padding: 14px 16px; border: 1px solid #334; text-align: left; color: #66bbff; width: 35%;\">Pourquoi c\u2019est important<\/th>\n<th style=\"padding: 14px 16px; border: 1px solid #334; text-align: left; color: #66bbff; width: 40%;\">Ce que les scientifiques recherchent<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background-color: #111130;\">\n<td style=\"padding: 14px 16px; border: 1px solid #334; vertical-align: top;\"><strong>Eau liquide<\/strong><\/td>\n<td style=\"padding: 14px 16px; border: 1px solid #334; vertical-align: top;\">Permet les r\u00e9actions chimiques essentielles<\/td>\n<td style=\"padding: 14px 16px; border: 1px solid #334; vertical-align: top;\">Oc\u00e9ans, glace, zones habitables<\/td>\n<\/tr>\n<tr style=\"background-color: #0f0f28;\">\n<td style=\"padding: 14px 16px; border: 1px solid #334; vertical-align: top;\"><strong>Chimie organique<\/strong><\/td>\n<td style=\"padding: 14px 16px; border: 1px solid #334; vertical-align: top;\">Fournit les briques \u00e9l\u00e9mentaires de la vie<\/td>\n<td style=\"padding: 14px 16px; border: 1px solid #334; vertical-align: top;\">Mol\u00e9cules de carbone, acides amin\u00e9s, compos\u00e9s pr\u00e9biotiques<\/td>\n<\/tr>\n<tr style=\"background-color: #111130;\">\n<td style=\"padding: 14px 16px; border: 1px solid #334; vertical-align: top;\"><strong>Sources d\u2019\u00e9nergie<\/strong><\/td>\n<td style=\"padding: 14px 16px; border: 1px solid #334; vertical-align: top;\">Alimente les processus biologiques<\/td>\n<td style=\"padding: 14px 16px; border: 1px solid #334; vertical-align: top;\">Lumi\u00e8re stellaire, activit\u00e9 g\u00e9othermique, r\u00e9actions chimiques<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Alors pourquoi n\u2019avons-nous rien trouv\u00e9\u00a0?<\/h3>\n<p>C\u2019est ce qu\u2019on appelle le <strong>Paradoxe de Fermi<\/strong>\u00a0: Si la vie devrait \u00eatre courante\u2026 o\u00f9 est tout le monde\u00a0?<\/p>\n<p>Les explications possibles vont de la raret\u00e9 extr\u00eame de la vie aux civilisations de courte dur\u00e9e ou simplement trop \u00e9loign\u00e9es.<\/p>\n<p>\u00c0 travers des programmes comme UNITE, la NASA recherche principalement des g\u00e9antes gazeuses, observ\u00e9es en d\u00e9tail gr\u00e2ce \u00e0 des r\u00e9seaux de t\u00e9lescopes Unistellar connect\u00e9s, op\u00e9r\u00e9s par des scientifiques citoyens. La sensibilit\u00e9 de nos t\u00e9lescopes permet \u00e9galement \u00e0 notre Communaut\u00e9 de d\u00e9tecter des <strong>plan\u00e8tes rocheuses atypiques<\/strong>, qui pourraient remettre en question les th\u00e9ories existantes.<\/p>\n<p>Si des civilisations avanc\u00e9es existent, elles pourraient \u00eatre d\u00e9tectables non pas par la communication, mais par l\u2019impact \u00e0 grande \u00e9chelle qu\u2019elles ont sur leur environnement \u2014 ce qu\u2019on appelle les <strong>technosignatures<\/strong>.<\/p>\n<p style=\"font-style: italic; color: #8899bb; font-size: 14px;\">Sources\u00a0: NASA Exoplanet Archive\u00a0; documentation du programme UNITE\u00a0; litt\u00e9rature sur le paradoxe de Fermi.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.24.0&Prime; background_color=\u00a0\u00bb#0d0d2b\u00a0\u00bb custom_padding=\u00a0\u00bb60px|0px|60px|0px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.24.0&Prime; max_width=\u00a0\u00bb860px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.24.0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.4&Prime; text_font=\u00a0\u00bb||||||||\u00a0\u00bb text_text_color=\u00a0\u00bb#cccccc\u00a0\u00bb text_line_height=\u00a0\u00bb1.8em\u00a0\u00bb header_2_font=\u00a0\u00bb||||||||\u00a0\u00bb header_2_text_color=\u00a0\u00bb#66bbff\u00a0\u00bb header_2_font_size=\u00a0\u00bb28px\u00a0\u00bb header_3_text_color=\u00a0\u00bb#aaddff\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<h2>LES MATH\u00c9MATIQUES DES EXTRATERRESTRES<\/h2>\n<p>En 1961, l\u2019astronome Frank Drake a pos\u00e9 une question simple\u00a0: <em>Combien de civilisations pourraient exister dans notre galaxie en ce moment\u00a0?<\/em> La th\u00e9orie qu\u2019il a propos\u00e9e est devenue la c\u00e9l\u00e8bre \u00c9quation de Drake.<\/p>\n<p style=\"text-align: center; font-size: 22px; font-weight: bold; color: #aaddff; background-color: #1a1a4a; padding: 20px 30px; border-radius: 8px; letter-spacing: 2px; margin: 30px 0;\">N = R* \u00d7 f<sub>p<\/sub> \u00d7 n<sub>e<\/sub> \u00d7 f<sub>l<\/sub> \u00d7 f<sub>i<\/sub> \u00d7 f<sub>c<\/sub> \u00d7 L<\/p>\n<p>L\u2019\u00e9quation combine les facteurs suivants\u00a0:<\/p>\n<ul>\n<li><strong>R*<\/strong> \u2014 Le taux de formation d\u2019\u00e9toiles propices au d\u00e9veloppement d\u2019une vie intelligente<\/li>\n<li><strong>f<sub>p<\/sub><\/strong> \u2014 La fraction de ces \u00e9toiles poss\u00e9dant des syst\u00e8mes plan\u00e9taires <em>(un facteur que notre programme de science citoyenne peut aider \u00e0 d\u00e9terminer*)<\/em><\/li>\n<li><strong>n<sub>e<\/sub><\/strong> \u2014 Le nombre de plan\u00e8tes, par syst\u00e8me plan\u00e9taire, susceptibles d\u2019abriter la vie <em>(un facteur que notre programme de science citoyenne peut aider \u00e0 d\u00e9terminer*)<\/em><\/li>\n<li><strong>f<sub>l<\/sub><\/strong> \u2014 La fraction de plan\u00e8tes favorables sur lesquelles la vie appara\u00eet r\u00e9ellement<\/li>\n<li><strong>f<sub>i<\/sub><\/strong> \u2014 La fraction de plan\u00e8tes abritant la vie sur lesquelles une vie intelligente \u00e9merge<\/li>\n<li><strong>f<sub>c<\/sub><\/strong> \u2014 La fraction des civilisations qui d\u00e9veloppent une technologie produisant des signes d\u00e9tectables de leur existence<\/li>\n<li><strong>L<\/strong> \u2014 Combien de temps ces civilisations survivent et restent d\u00e9tectables<\/li>\n<\/ul>\n<p style=\"font-size: 13px; color: #8899bb;\">* <a href=\"https:\/\/help.unistellar.com\/hc\/en-us\/articles\/12056360257948-Citizen-Science-Missions\" style=\"color: #66bbff;\">https:\/\/help.unistellar.com\/hc\/en-us\/articles\/12056360257948<\/a><\/p>\n<h3>Le d\u00e9fi\u00a0?<\/h3>\n<p>Nous ne connaissons que quelques-unes de ces variables. Alors que nous am\u00e9liorons les estimations pour les \u00e9toiles et les plan\u00e8tes, nous ne savons presque rien sur\u00a0:<\/p>\n<ul>\n<li>\u00c0 quelle fr\u00e9quence la vie appara\u00eet<\/li>\n<li>\u00c0 quelle fr\u00e9quence l\u2019intelligence \u00e9merge<\/li>\n<li>Combien de temps durent les civilisations<\/li>\n<\/ul>\n<h3>Le plus grand myst\u00e8re\u00a0: L<\/h3>\n<p>Le facteur final, <strong>L<\/strong>, mesure la dur\u00e9e de survie des civilisations technologiques. Des centaines d\u2019ann\u00e9es\u00a0? Des millions\u00a0? Si les civilisations se d\u00e9truisent g\u00e9n\u00e9ralement rapidement, m\u00eame une galaxie remplie de vie pourrait sembler silencieuse.<\/p>\n<h3>La question de la Terre rare<\/h3>\n<p>Trouver une plan\u00e8te de la taille de la Terre pourrait ne pas suffire. La Terre a b\u00e9n\u00e9fici\u00e9 de conditions inhabituelles\u00a0:<\/p>\n<ul>\n<li>Stabilit\u00e9 climatique \u00e0 long terme<\/li>\n<li>Activit\u00e9 g\u00e9ologique<\/li>\n<li>Un champ magn\u00e9tique protecteur<\/li>\n<li>Une tr\u00e8s grande Lune stabilisant l\u2019axe de la Terre<\/li>\n<\/ul>\n<p>Certains scientifiques soutiennent donc que la vie complexe pourrait n\u00e9cessiter de nombreuses co\u00efncidences rares. Ce qui signifie que <strong>habitable ne veut pas n\u00e9cessairement dire habit\u00e9<\/strong>.<\/p>\n<p style=\"font-style: italic; color: #8899bb; font-size: 14px;\">Sources\u00a0: Drake (1961)\u00a0; The Astrophysical Journal (2020)\u00a0; Litt\u00e9rature sur l\u2019hypoth\u00e8se de la Terre rare.<\/p>\n<p>L\u2019astronomie \u00e9volue. En connectant des scientifiques citoyens \u00e0 l\u2019\u00e9chelle mondiale, des programmes comme Unistellar \u00d7 NASA transforment notre fa\u00e7on d\u2019explorer le cosmos. Alors que la recherche de mondes habitables \u2014 formalis\u00e9e par l\u2019\u00c9quation de Drake \u2014 reste la qu\u00eate principale, notre champ d\u2019action s\u2019\u00e9tend plus loin\u00a0: l\u2019\u00e9tude de syst\u00e8mes plan\u00e9taires vari\u00e9s, y compris les g\u00e9antes gazeuses, est essentielle. Cette approche nous permet d\u2019affiner notre compr\u00e9hension de la formation et de la migration des plan\u00e8tes, offrant des indices pr\u00e9cieux sur la fa\u00e7on dont notre propre syst\u00e8me solaire a \u00e9merg\u00e9.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.24.0&Prime; background_color=\u00a0\u00bb#0a0a1a\u00a0\u00bb custom_padding=\u00a0\u00bb60px|0px|60px|0px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.24.0&Prime; max_width=\u00a0\u00bb860px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.24.0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.4&Prime; text_font=\u00a0\u00bb||||||||\u00a0\u00bb text_text_color=\u00a0\u00bb#cccccc\u00a0\u00bb text_line_height=\u00a0\u00bb1.8em\u00a0\u00bb header_2_font=\u00a0\u00bb||||||||\u00a0\u00bb header_2_text_color=\u00a0\u00bb#66bbff\u00a0\u00bb header_2_font_size=\u00a0\u00bb28px\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<h2>DE L\u2019\u00c9QUATION DE DRAKE \u00c0 VOTRE JARDIN<\/h2>\n<p>Ces questions fascinantes ont inspir\u00e9 des g\u00e9n\u00e9rations de jeunes et de futurs scientifiques depuis que Carl Sagan a pour la premi\u00e8re fois fait entrer l\u2019\u00e9merveillement du cosmos dans les salons du monde entier. Elles \u00e9taient \u00e9galement au c\u0153ur de la vision fondatrice d\u2019Unistellar\u00a0: donner \u00e0 chacun, partout dans le monde, la possibilit\u00e9 de participer \u00e0 certaines des recherches les plus passionnantes de l\u2019astronomie moderne.<\/p>\n<p>L\u2019astronomie \u00e9volue. Pendant la majeure partie de l\u2019histoire, contribuer \u00e0 la recherche d\u2019autres mondes n\u00e9cessitait l\u2019acc\u00e8s \u00e0 de gigantesques observatoires, des instruments professionnels et des sommets montagneux recul\u00e9s. Aujourd\u2019hui, quelque chose d\u2019extraordinaire devient possible\u00a0: une famille peut sortir dans son jardin la nuit, pointer un t\u00e9lescope Unistellar vers une \u00e9toile lointaine et participer \u00e0 de vraies recherches scientifiques.<\/p>\n<p>De nombreux utilisateurs d\u2019Unistellar sont d\u00e9j\u00e0 devenus co-auteurs de publications scientifiques \u00e9valu\u00e9es par des pairs. Un exemple r\u00e9cent est la confirmation de <strong>TOI-4465 b<\/strong>, une plan\u00e8te g\u00e9ante de type Jupiter en orbite autour d\u2019une \u00e9toile lointaine. Cette plan\u00e8te g\u00e9ante \u00e0 longue p\u00e9riode a d\u2019abord \u00e9t\u00e9 d\u00e9couverte gr\u00e2ce \u00e0 un seul transit TESS, puis caract\u00e9ris\u00e9e \u00e0 travers une campagne de suivi mondiale qui incluait des utilisateurs de t\u00e9lescopes Unistellar.<\/p>\n<p>Chaque mois, des centaines d\u2019utilisateurs Unistellar \u2014 certains observant seuls, d\u2019autres partageant l\u2019exp\u00e9rience avec leurs enfants \u2014 pointent leurs t\u00e9lescopes vers les \u00e9toiles depuis leur propre jardin. Ensemble, ils participent \u00e0 la recherche du prochain nouveau monde et voient r\u00e9guli\u00e8rement leurs observations contribuer \u00e0 des publications dans les principales revues scientifiques.<\/p>\n<p><a href=\"https:\/\/unistellar.com\/citizen-science\" style=\"color: #66bbff; font-weight: bold;\">En savoir plus sur les programmes de science citoyenne d\u2019Unistellar en partenariat avec la NASA et le SETI Institute \u2192<\/a><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.24.0&Prime; background_color=\u00a0\u00bb#080818&Prime; custom_padding=\u00a0\u00bb50px|0px|60px|0px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.24.0&Prime; max_width=\u00a0\u00bb860px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.24.0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.4&Prime; text_font=\u00a0\u00bb||||||||\u00a0\u00bb text_text_color=\u00a0\u00bb#8899bb\u00a0\u00bb text_font_size=\u00a0\u00bb14px\u00a0\u00bb text_line_height=\u00a0\u00bb1.8em\u00a0\u00bb header_3_text_color=\u00a0\u00bb#66bbff\u00a0\u00bb header_3_font_size=\u00a0\u00bb18px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h3>Sources \u2014 Publications scientifiques<\/h3>\n<ul>\n<li><a href=\"https:\/\/arxiv.org\/abs\/2408.08513\" style=\"color: #66bbff;\" target=\"_blank\" rel=\"noopener\">[2408.08513] Arecibo Wow\u00a0! I\u00a0: Une explication astrophysique pour le signal Wow\u00a0!<\/a><\/li>\n<li><a href=\"https:\/\/arxiv.org\/abs\/2603.07333\" style=\"color: #66bbff;\" target=\"_blank\" rel=\"noopener\">[2603.07333] Recherches \u00e0 large bande pour l\u2019intelligence technologique extraterrestre\u00a0: une nouvelle strat\u00e9gie pour trouver des civilisations extraterrestres voisines<\/a><\/li>\n<li><a href=\"https:\/\/academic.oup.com\/mnras\" style=\"color: #66bbff;\" target=\"_blank\" rel=\"noopener\">Projet Hephaistos \u2013 II. Candidats aux sph\u00e8res de Dyson issus de Gaia DR3, 2MASS et WISE \u2014 Monthly Notices of the Royal Astronomical Society<\/a><\/li>\n<\/ul>\n<h3>Publications scientifiques avec des utilisateurs Unistellar \u2014 Exoplan\u00e8tes<\/h3>\n<ul>\n<li><a href=\"https:\/\/arxiv.org\/abs\/2506.20019\" style=\"color: #66bbff;\" target=\"_blank\" rel=\"noopener\">[2506.20019] Enqu\u00eate GOT \u2018EM VI\u00a0: Confirmation d\u2019une plan\u00e8te g\u00e9ante \u00e0 longue p\u00e9riode d\u00e9couverte avec un seul transit TESS<\/a><\/li>\n<li><a href=\"https:\/\/iopscience.iop.org\" style=\"color: #66bbff;\" target=\"_blank\" rel=\"noopener\">La campagne Unistellar sur les exoplan\u00e8tes\u00a0: r\u00e9sultats de science citoyenne et opportunit\u00e9s p\u00e9dagogiques \u2014 IOPscience<\/a><\/li>\n<li><a href=\"https:\/\/iopscience.iop.org\" style=\"color: #66bbff;\" target=\"_blank\" rel=\"noopener\">Utilisation de petits t\u00e9lescopes op\u00e9r\u00e9s par des scientifiques citoyens pour le suivi des exoplan\u00e8tes en transit \u2014 IOPscience<\/a><\/li>\n<\/ul>\n<h3>Sites web<\/h3>\n<ul>\n<li><a href=\"https:\/\/unistellar.com\" style=\"color: #66bbff;\" target=\"_blank\" rel=\"noopener\">Au-del\u00e0 du Disclosure Day\u00a0: Les protocoles r\u00e9els<\/a><\/li>\n<li><a href=\"https:\/\/unistellar.com\" style=\"color: #66bbff;\" target=\"_blank\" rel=\"noopener\">Des astronomes citoyens aident \u00e0 confirmer un nouveau Jupiter temp\u00e9r\u00e9<\/a><\/li>\n<li><a href=\"https:\/\/www.seti.org\" style=\"color: #66bbff;\" target=\"_blank\" rel=\"noopener\">Comit\u00e9 permanent SETI de l\u2019IAA<\/a><\/li>\n<\/ul>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DISCLOSURE DAY \u2014 Ce que dit la science\u00a0? Commentaire de Lauren Sgro, responsable du programme \u00ab\u00a0Transits d\u2019exoplan\u00e8tes\u00a0\u00bb chez Unistellar au SETI Institute.SI UN CONTACT AVAIT LIEU DEMAIN : QUE SE PASSERAIT-IL VRAIMENT ? Les films sur les invasions extraterrestres imaginent le secret, la panique et des r\u00e9ponses militaires imm\u00e9diates. La r\u00e9alit\u00e9 est plus simple\u00a0: il [&hellip;]<\/p>\n","protected":false},"author":24,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"class_list":["post-286115","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.6 (Yoast SEO v25.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>DISCLOSURE DAY - What science says ? - Unistellar<\/title>\n<meta name=\"description\" content=\"Unistellar - DISCLOSURE DAY - What science says ?\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.unistellar.com\/fr\/disclosure-day-what-science-says\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DISCLOSURE DAY - What science says ?\" \/>\n<meta property=\"og:description\" content=\"Unistellar - DISCLOSURE DAY - What science says ?\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.unistellar.com\/fr\/disclosure-day-what-science-says\/\" \/>\n<meta property=\"og:site_name\" content=\"Unistellar\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/unistellaroptics\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-18T09:20:16+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@unistellar\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"12 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.unistellar.com\/fr\/disclosure-day-what-science-says\/\",\"url\":\"https:\/\/www.unistellar.com\/fr\/disclosure-day-what-science-says\/\",\"name\":\"DISCLOSURE DAY - What science says ? 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