{"id":19752,"date":"2019-10-29T17:00:31","date_gmt":"2019-10-29T15:00:31","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=19752"},"modified":"2019-10-10T12:10:29","modified_gmt":"2019-10-10T10:10:29","slug":"deux-etoiles-vont-entrer-en-collision-en-2022-et-seront-visibles-de-la-terre","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/deux-etoiles-vont-entrer-en-collision-en-2022-et-seront-visibles-de-la-terre\/","title":{"rendered":"Deux \u00e9toiles vont entrer en collision en 2022 et seront visibles 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>Dans moins de cinq ans, nous pourrions bien assister \u00e0 l&rsquo;apparition d&rsquo;une nouvelle \u00ab \u00e9toile \u00bb dans les cieux nocturnes. Ce joyau cosmique devrait scintiller sur l&rsquo;aile nord de la constellation du Cygne durant une bonne partie de l&rsquo;ann\u00e9e.<\/p>\n<p>Pour la premi\u00e8re fois de l&rsquo;histoire, des astronomes pr\u00e9disent l&rsquo;explosion d&rsquo;un syst\u00e8me stellaire pr\u00e9cis au cours d&rsquo;une p\u00e9riode d\u00e9finie, qui le rendra 10 000 fois plus brillant qu&rsquo;il ne l&rsquo;est aujourd&rsquo;hui. Cette explosion sera visible \u00e0 l&rsquo;\u0153il nu depuis la Terre et pourrait \u00eatre aussi \u00e9tincelante que l&rsquo;\u00e9toile polaire indiquant le p\u00f4le nord.<\/p>\n<p>L&rsquo;\u00e9ruption r\u00e9sultera de la fusion de deux \u00e9toiles tournoyant l&rsquo;une autour de l&rsquo;autre dans une danse cosmique. Le couple explosera en une nova rouge, ajoutant ainsi bri\u00e8vement une \u00e9toile paillet\u00e9e \u00e0 la constellation du Cygne.<\/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>La dur\u00e9e de l&rsquo;entr\u00e9e en explosion devrait permettre aux parents qui enseignent \u00e0 leurs enfants les secrets de l&rsquo;astronomie de leur montrer du doigt l&rsquo;endroit pr\u00e9cis d&rsquo;o\u00f9 jaillira cette nouvelle lueur.<\/p>\n<p>\u00ab L&rsquo;explosion est pr\u00e9vue en 2022 et devrait durer un an \u00bb, d\u00e9clarait Larry Molnar, astronome aupr\u00e8s du Calvin College, lors de la pr\u00e9sentation des pr\u00e9visions au cours d&rsquo;une r\u00e9union de l&rsquo;American Astronomical Society qui s&rsquo;est tenue en janvier dernier \u00e0 Grapevine, au Texas.<\/p>\n<p>\u00ab Les cieux se transformeront de mani\u00e8re spectaculaire et n&rsquo;importe qui pourra observer le ph\u00e9nom\u00e8ne. Nul besoin d&rsquo;un t\u00e9lescope pour me dire en 2023 si mes pr\u00e9visions \u00e9taient fausses ou correctes. \u00bb<\/p>\n<p>extrait et source : <a href=\"https:\/\/www.nationalgeographic.fr\/espace\/la-collision-de-deux-etoiles-sera-visible-loeil-nu-en-2022\" rel=\"noopener noreferrer\" target=\"_blank\">https:\/\/www.nationalgeographic.fr\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"19752\">(1369)<\/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>Dans moins de cinq ans, nous pourrions bien assister \u00e0 l&rsquo;apparition d&rsquo;une nouvelle \u00ab \u00e9toile \u00bb dans les cieux nocturnes&#8230;.<\/p>\n","protected":false},"author":1,"featured_media":19753,"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":"Deux \u00e9toiles vont entrer en collision en 2022 et seront visibles de la Terre @laterredufutur.com Terra Projects","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":[5520,2312,7256,1144],"class_list":["post-19752","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-espace","tag-5520","tag-collision","tag-constellation-du-cygne","tag-etoiles","wpcat-22-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/constellation-du-cygne.jpg?fit=1000%2C717&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-58A","jetpack-related-posts":[{"id":14569,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-ciel-pourrait-changer-a-jamais-en-2022\/","url_meta":{"origin":19752,"position":0},"title":"Le ciel pourrait changer \u00e0 jamais en 2022","author":"Admin","date":"28 janvier 2017","format":false,"excerpt":"Le professeur Larry Molnar de l\u2019universit\u00e9 de Calvin, ses \u00e9l\u00e8ves, mais \u00e9galement Karen Kinemuchi de l\u2019observatoire Point Apache et Henry Kobulnicky de l\u2019universit\u00e9 du Wyoming r\u00e9v\u00e8lent un audacieux pronostic ; l\u2019explosion de l\u2019\u00e9toile binaire KIC 9832227 pourrait bien changer la face du ciel et tout le monde en sera t\u00e9moin.\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\/2017\/01\/supernova.jpg?fit=768%2C768&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/01\/supernova.jpg?fit=768%2C768&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/01\/supernova.jpg?fit=768%2C768&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/01\/supernova.jpg?fit=768%2C768&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":20373,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-super-geante-rouge-betelgeuse-se-comporte-de-facon-etrange-va-t-elle-exploser-dans-une-supernova\/","url_meta":{"origin":19752,"position":1},"title":"La super-g\u00e9ante rouge B\u00e9telgeuse se comporte de fa\u00e7on \u00e9trange : va-t-elle exploser dans une supernova?","author":"Admin","date":"30 janvier 2020","format":false,"excerpt":"Des \u00e9toiles rouges et \u00e9normes comme B\u00e9telgeuse vivent vite et meurent violemment, explosant dans des \u00e9v\u00e9nements stellaires, appel\u00e9s supernovae. La super-g\u00e9ante rouge B\u00e9telgeuse se comporte de fa\u00e7on \u00e9trange : va-t-elle exploser dans une supernova? La constellation d'Orion est l' une des caract\u00e9ristiques les plus reconnaissables du ciel nocturne, mais r\u00e9cemment,\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\/01\/betelgeuse.jpg?fit=1200%2C750&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/01\/betelgeuse.jpg?fit=1200%2C750&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/01\/betelgeuse.jpg?fit=1200%2C750&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/01\/betelgeuse.jpg?fit=1200%2C750&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/01\/betelgeuse.jpg?fit=1200%2C750&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":16107,"url":"https:\/\/www.laterredufutur.com\/accueil\/une-nouvelle-etoile-polaire-dans-cinq-ans\/","url_meta":{"origin":19752,"position":2},"title":"Une nouvelle \u00e9toile polaire dans cinq ans ?","author":"Admin","date":"13 d\u00e9cembre 2017","format":false,"excerpt":"En 2022, la fusion de deux astres cr\u00e9era un nouveau point scintillant dans la nuit, aussi gros que l'\u00e9toile polaire. C'est en tout cas ce que pr\u00e9dit un astronome am\u00e9ricain. Situ\u00e9es \u00e0 environ 1 800 ann\u00e9es-lumi\u00e8re de la Terre, deux \u00e9toiles semblent tourner de plus en plus pr\u00e8s l'une 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\/2017\/12\/nebuleuse-du-crabe.jpg?fit=1200%2C960&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/12\/nebuleuse-du-crabe.jpg?fit=1200%2C960&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/12\/nebuleuse-du-crabe.jpg?fit=1200%2C960&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/12\/nebuleuse-du-crabe.jpg?fit=1200%2C960&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/12\/nebuleuse-du-crabe.jpg?fit=1200%2C960&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":16913,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-rayonnement-cosmique-dun-systeme-stellaire-geant-se-dirige-vers-la-terre-avec-des-vents-intergalactiques\/","url_meta":{"origin":19752,"position":3},"title":"Le rayonnement cosmique d&rsquo;un syst\u00e8me stellaire g\u00e9ant se dirige vers la Terre avec des vents intergalactiques","author":"Admin","date":"28 ao\u00fbt 2018","format":false,"excerpt":"Un syst\u00e8me stellaire contenant deux soleils gigantesques envoie des rayons cosmiques dans l'espace et les scientifiques de la NASA ont d\u00e9couvert que le rayonnement se dirige vers la Terre par des vents intergalactiques. Les observations \u00e0 haute \u00e9nergie dans la constellation m\u00e9ridionale tentaculaire de Carina avaient intrigu\u00e9 les scientifiques pendant\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\/2018\/07\/eta-carinae.jpg?fit=850%2C531&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/07\/eta-carinae.jpg?fit=850%2C531&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/07\/eta-carinae.jpg?fit=850%2C531&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/07\/eta-carinae.jpg?fit=850%2C531&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":19752,"position":4},"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":26658,"url":"https:\/\/www.laterredufutur.com\/accueil\/decouverte-dun-tunnel-interstellaire-entre-notre-systeme-solaire-et-dautres-galaxies\/","url_meta":{"origin":19752,"position":5},"title":"D\u00e9couverte d&rsquo;un tunnel interstellaire entre notre syst\u00e8me solaire et d&rsquo;autres galaxies","author":"Admin","date":"3 f\u00e9vrier 2025","format":false,"excerpt":"Des astronomes d\u00e9couvrent un r\u00e9seau de \u00ab tunnels \u00bb cosmiques reliant notre syst\u00e8me solaire \u00e0 des galaxies lointaines. Ces canaux, form\u00e9s par d'anciennes explosions d'\u00e9toiles, pourraient bouleverser notre compr\u00e9hension de l'espace interstellaire. Des astronomes viennent de confirmer l'existence d'un tunnel interstellaire entre notre syst\u00e8me solaire et des constellations lointaines Responsable\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\/tunnel-interstellaire.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\/2025\/02\/tunnel-interstellaire.jpg?fit=1024%2C1024&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/02\/tunnel-interstellaire.jpg?fit=1024%2C1024&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/02\/tunnel-interstellaire.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\/19752","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=19752"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/19752\/revisions"}],"predecessor-version":[{"id":19754,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/19752\/revisions\/19754"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/19753"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=19752"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=19752"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=19752"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}