{"id":238096,"date":"2026-05-31T14:04:10","date_gmt":"2026-05-31T19:04:10","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/05\/is-the-cosmic-microwave-background-a-huge-mistake"},"modified":"2026-05-31T14:04:10","modified_gmt":"2026-05-31T19:04:10","slug":"is-the-cosmic-microwave-background-a-huge-mistake","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/05\/is-the-cosmic-microwave-background-a-huge-mistake","title":{"rendered":"Is the Cosmic Microwave Background a Huge Mistake?"},"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\/KFgwQICae8c?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope;\n   picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>Check out my introduction to quantum mechanics course on Brilliant! Get your first 30 days free as well as 20% off an annual premium subscription when you use my link \u279c <a href=\"https:\/\/brilliant.org\/sabine\">https:\/\/brilliant.org\/sabine<\/a>.<\/p>\n<p>In the Big Bang Theory, the cosmic microwave background \u2014 microwave-range radiation that floats through the entire universe at a steady 2.7 Kelvin \u2014 is evidence that a hot explosion of plasma kicked off the creation of the universe. But according to a new paper, the microwave radiation came from early galaxies instead. Does this mean that the big bang theory is wrong? Let\u2019s take a look.<\/p>\n<p>Paper: <a href=\"https:\/\/www.sciencedirect.com\/science\">https:\/\/www.sciencedirect.com\/science<\/a>\u2026 video comes with a quiz which you can take here: <a href=\"https:\/\/quizwithit.com\/start_thequiz\/.\">https:\/\/quizwithit.com\/start_thequiz\/.<\/a>\u2026 \ud83e\udd13 Check out my new quiz app \u279c <a href=\"http:\/\/quizwithit.com\/\">http:\/\/quizwithit.com\/<\/a> \ud83d\udc8c Support me on Donorbox \u279c <a href=\"https:\/\/donorbox.org\/swtg\">https:\/\/donorbox.org\/swtg<\/a> \ud83d\udcdd Transcripts and written news on Substack \u279c <a href=\"https:\/\/sciencewtg.substack.com\/\">https:\/\/sciencewtg.substack.com\/<\/a> \ud83d\udc49 Transcript with links to references on Patreon \u279c <img alt=\"\" class=\"\"> \/ sabine \ud83d\udce9 Free weekly science newsletter \u279c <a href=\"https:\/\/sabinehossenfelder.com\/newsle\">https:\/\/sabinehossenfelder.com\/newsle<\/a>\u2026 \ud83d\udc42 Audio only podcast \u279c <a href=\"https:\/\/open.spotify.com\/show\/0MkNfXl\">https:\/\/open.spotify.com\/show\/0MkNfXl<\/a>\u2026 \ud83d\udd17 Join this channel to get access to perks \u279c <img alt=\"\" class=\"\"> \/ <a href=\"https:\/\/twitter.com\/sabinehossenfelder\">@sabinehossenfelder<\/a> \ud83d\uddbc\ufe0f On instagram \u279c <img alt=\"\" class=\"\"> \/ sciencewtg \ud83d\udcda Buy my book \u279c <a href=\"https:\/\/amzn.to\/3HSAWJW\">https:\/\/amzn.to\/3HSAWJW<\/a> #science #sciencenews #physics #bigbang.<\/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>\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.<br \/> \ud83d\udcda Buy my book \u279c <a href=\"https:\/\/amzn.to\/3HSAWJW\">https:\/\/amzn.to\/3HSAWJW<\/a><\/p>\n<p>#science #sciencenews #physics #bigbang<\/p>\n<div class=\"more-link-wrapper\"> <a class=\"more-link\" href=\"https:\/\/lifeboat.com\/blog\/2026\/05\/is-the-cosmic-microwave-background-a-huge-mistake\">Continue reading \u201cIs the Cosmic Microwave Background a Huge Mistake?\u201d | &gt;<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Check out my introduction to quantum mechanics course on Brilliant! Get your first 30 days free as well as 20% off an annual premium subscription when you use my link \u279c https:\/\/brilliant.org\/sabine. In the Big Bang Theory, the cosmic microwave background \u2014 microwave-range radiation that floats through the entire universe at a steady 2.7 Kelvin [\u2026]<\/p>\n","protected":false},"author":661,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,13,1617],"tags":[],"class_list":["post-238096","post","type-post","status-publish","format-standard","hentry","category-cosmology","category-open-access","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/238096","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=238096"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/238096\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=238096"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=238096"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=238096"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}