{"id":1724,"date":"2019-10-13T09:00:00","date_gmt":"2019-10-13T07:00:00","guid":{"rendered":"https:\/\/smalltalks.eu\/blog\/?p=1724"},"modified":"2026-10-10T10:57:11","modified_gmt":"2026-10-10T08:57:11","slug":"voyage-parmi-22-935-galaxies-the-alfalfa-sky","status":"publish","type":"post","link":"https:\/\/smalltalks.eu\/blog\/2019\/10\/13\/voyage-parmi-22-935-galaxies-the-alfalfa-sky\/","title":{"rendered":"Voyage parmi 22 935 galaxies (The ALFALFA Sky)"},"content":{"rendered":"\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"The ALFALFA Sky II\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/_t7Pbl-YU4k?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\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\">\u00ab On est bien peu de choses\u2026 (\u00c0 quelle vitesse la cam\u00e9ra voyage-t-elle ?) \u00bb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un vol \u00e0 travers les 22 935 galaxies cartographi\u00e9es par le relev\u00e9 ALFALFA, qui d\u00e9tecte l&#8217;hydrog\u00e8ne neutre avec le radiot\u00e9lescope d&#8217;Arecibo. Chaque galaxie est repr\u00e9sent\u00e9e par sa vraie image, \u00e0 sa position dans l&#8217;espace (leur taille est exag\u00e9r\u00e9e pour qu&#8217;on les voie). Musique de Murray Gold, pour <em>Doctor Who<\/em>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Vid\u00e9o de Rhys Taylor (DrRhysy). Partag\u00e9 sur Facebook le 13 octobre 2019.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00ab On est bien peu de choses\u2026 (\u00c0 quelle vitesse la cam\u00e9ra voyage-t-elle ?) \u00bb Un vol \u00e0 travers les 22 935 galaxies cartographi\u00e9es par le relev\u00e9 ALFALFA, qui d\u00e9tecte l&#8217;hydrog\u00e8ne neutre avec le radiot\u00e9lescope d&#8217;Arecibo. Chaque galaxie est repr\u00e9sent\u00e9e par sa vraie image, \u00e0 sa position dans l&#8217;espace (leur taille est exag\u00e9r\u00e9e pour qu&#8217;on les voie). Musique de Murray Gold, pour Doctor Who. Vid\u00e9o de Rhys Taylor (DrRhysy). Partag\u00e9 sur Facebook le 13 octobre 2019.<\/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-1724","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\/1724","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=1724"}],"version-history":[{"count":1,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/posts\/1724\/revisions"}],"predecessor-version":[{"id":1762,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/posts\/1724\/revisions\/1762"}],"wp:attachment":[{"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/media?parent=1724"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/categories?post=1724"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/tags?post=1724"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}