{"id":200485,"date":"2024-11-30T11:24:13","date_gmt":"2024-11-30T17:24:13","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2024\/11\/is-the-universe-infinite-or-finite"},"modified":"2024-11-30T11:24:13","modified_gmt":"2024-11-30T17:24:13","slug":"is-the-universe-infinite-or-finite","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2024\/11\/is-the-universe-infinite-or-finite","title":{"rendered":"Is the Universe Infinite or Finite?"},"content":{"rendered":"<p><\/p>\n<p><iframe style=\"display: block; margin: 0 auto; width: 100%; aspect-ratio: 4\/3; object-fit: contain;\" src=\"https:\/\/www.youtube.com\/embed\/SEvs4zgVr0E?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope;\n   picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>Very limited time Black Friday deal: 20% off on all Hoverpens and free shipping to most countries with code SABINE:<br \/> North America \/ UK \/ Australia \/ International: <a href=\"https:\/\/bit.ly\/sabine_novium\">https:\/\/bit.ly\/sabine_novium<\/a>.<br \/> EU: <a href=\"https:\/\/bit.ly\/sabine_noviumeu\">https:\/\/bit.ly\/sabine_noviumeu<\/a>.<\/p>\n<p>Is the universe really infinite? Or could it close back on itself like a sphere? If it\u2019s infinite, how can it expand? And is it true that there might be copies of you in it? Today I want to explain how much we know about those questions and what the expansion of space has to do with Hilbert\u2019s Hotel.<\/p>\n<p>This video comes with a quiz which you can take here: <a href=\"https:\/\/quizwithit.com\/start_thequiz\/.\">https:\/\/quizwithit.com\/start_thequiz\/.<\/a>\u2026<\/p>\n<p>The Kurzgesagt video is here: \u2022 The Paradox of an Infinite Universe.<\/p>\n<p>\ud83e\udd13 Check out my new quiz app \u279c <a href=\"http:\/\/quizwithit.com\/\">http:\/\/quizwithit.com\/<\/a><br \/> \ud83d\udc8c Support me on Donorbox \u279c <a href=\"https:\/\/donorbox.org\/swtg\">https:\/\/donorbox.org\/swtg<\/a>.<br \/> \ud83d\udcdd Transcripts and written news on Substack \u279c <a href=\"https:\/\/sciencewtg.substack.com\/\">https:\/\/sciencewtg.substack.com\/<\/a><br \/> \ud83d\udc49 Transcript with links to references on Patreon \u279c \/ sabine.<br \/> \ud83d\udce9 Free weekly science newsletter \u279c <a href=\"https:\/\/sabinehossenfelder.com\/newsle\">https:\/\/sabinehossenfelder.com\/newsle<\/a>\u2026<br \/> \ud83d\udc42 Audio only podcast \u279c <a href=\"https:\/\/open.spotify.com\/show\/0MkNfXl\">https:\/\/open.spotify.com\/show\/0MkNfXl<\/a>\u2026<br \/> \ud83d\udd17 Join this channel to get access to perks \u279c<br \/> \/ <a href=\"https:\/\/twitter.com\/sabinehossenfelder\">@sabinehossenfelder<\/a>.<br \/> \ud83d\uddbc\ufe0f On instagram \u279c \/ sciencewtg.<\/p>\n<p>#physics #space #universe<\/p>\n<div class=\"more-link-wrapper\"> <a class=\"more-link\" href=\"https:\/\/lifeboat.com\/blog\/2024\/11\/is-the-universe-infinite-or-finite\">Continue reading \u201cIs the Universe Infinite or Finite?\u201d | &gt;<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Very limited time Black Friday deal: 20% off on all Hoverpens and free shipping to most countries with code SABINE: North America \/ UK \/ Australia \/ International: https:\/\/bit.ly\/sabine_novium. EU: https:\/\/bit.ly\/sabine_noviumeu. Is the universe really infinite? Or could it close back on itself like a sphere? If it\u2019s infinite, how can it expand? And is [\u2026]<\/p>\n","protected":false},"author":661,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[219,8],"tags":[],"class_list":["post-200485","post","type-post","status-publish","format-standard","hentry","category-physics","category-space"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/200485","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/661"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=200485"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/200485\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=200485"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=200485"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=200485"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}