{"id":8844,"date":"2019-10-12T09:00:00","date_gmt":"2019-10-12T07:00:00","guid":{"rendered":"https:\/\/smalltalks.eu\/blog\/?p=8844"},"modified":"2026-11-09T18:20:55","modified_gmt":"2026-11-09T17:20:55","slug":"2-000-milliards-de-galaxies","status":"publish","type":"post","link":"https:\/\/smalltalks.eu\/blog\/2019\/10\/12\/2-000-milliards-de-galaxies\/","title":{"rendered":"2 000 milliards de galaxies"},"content":{"rendered":"\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">There are 2 trillion galaxies in the observable universe, each containing billions of stars. <a href=\"https:\/\/t.co\/e8Fca2Hr8v\">https:\/\/t.co\/e8Fca2Hr8v<\/a> <a href=\"https:\/\/t.co\/XdVRk66aUz\">pic.twitter.com\/XdVRk66aUz<\/a><\/p>&mdash; Wonder of Science (@wonderofscience) <a href=\"https:\/\/x.com\/wonderofscience\/status\/1183163985584984064?ref_src=twsrc%5Etfw\">October 12, 2019<\/a><\/blockquote><script async src=\"https:\/\/platform.x.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">L&#8217;univers observable compterait environ 2 000 milliards de galaxies, chacune riche de milliards d&#8217;\u00e9toiles. C&#8217;est l&#8217;estimation publi\u00e9e en 2016 par l&#8217;astrophysicien Christopher Conselice et son \u00e9quipe, dix fois plus que ce que l&#8217;on pensait jusque-l\u00e0.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Voir aussi : <a href=\"https:\/\/smalltalks.eu\/blog\/?p=1426\">lever le nez<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u00c9tude : <a href=\"https:\/\/iopscience.iop.org\/article\/10.3847\/0004-637X\/830\/2\/83\">Conselice et al., The Astrophysical Journal, 2016<\/a>. <a href=\"https:\/\/x.com\/wonderofscience\/status\/1183163985584984064\">Vid\u00e9o rep\u00e9r\u00e9e sur X (@wonderofscience)<\/a>.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&#8217;univers observable compterait environ 2 000 milliards de galaxies, chacune riche de milliards d&#8217;\u00e9toiles. C&#8217;est l&#8217;estimation publi\u00e9e en 2016 par l&#8217;astrophysicien Christopher Conselice et son \u00e9quipe, dix fois plus que ce que l&#8217;on pensait jusque-l\u00e0. Voir aussi : lever le nez. \u00c9tude : Conselice et al., The Astrophysical Journal, 2016. Vid\u00e9o rep\u00e9r\u00e9e sur X (@wonderofscience).<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[280,283],"tags":[],"class_list":["post-8844","post","type-post","status-publish","format-standard","hentry","category-sciences","category-sciences-univers"],"_links":{"self":[{"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/posts\/8844","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/comments?post=8844"}],"version-history":[{"count":2,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/posts\/8844\/revisions"}],"predecessor-version":[{"id":8892,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/posts\/8844\/revisions\/8892"}],"wp:attachment":[{"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/media?parent=8844"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/categories?post=8844"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/tags?post=8844"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}