{"id":218198,"date":"2025-07-18T06:24:35","date_gmt":"2025-07-18T11:24:35","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/07\/cosmic-heavyweights-collide-ligo-detects-largest-fastest-spinning-black-holes-yet"},"modified":"2025-07-18T06:24:35","modified_gmt":"2025-07-18T11:24:35","slug":"cosmic-heavyweights-collide-ligo-detects-largest-fastest-spinning-black-holes-yet","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/07\/cosmic-heavyweights-collide-ligo-detects-largest-fastest-spinning-black-holes-yet","title":{"rendered":"Cosmic Heavyweights Collide \u2014 LIGO Detects Largest, Fastest-Spinning Black Holes Yet"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/cosmic-heavyweights-collide-ligo-detects-largest-fastest-spinning-black-holes-yet.jpg\"><\/a><\/p>\n<p>In addition to their high masses, the black holes are also rapidly spinning.<\/p>\n<p>\u201cThis is the most massive black hole binary we\u2019ve observed through gravitational waves, and it presents a real challenge to our understanding of black hole formation,\u201d says Mark Hannam of Cardiff University and a member of the LVK Collaboration. \u201cBlack holes this massive are forbidden through standard stellar evolution models. One possibility is that the two black holes in this binary formed through earlier mergers of smaller black holes.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In addition to their high masses, the black holes are also rapidly spinning. \u201cThis is the most massive black hole binary we\u2019ve observed through gravitational waves, and it presents a real challenge to our understanding of black hole formation,\u201d says Mark Hannam of Cardiff University and a member of the LVK Collaboration. \u201cBlack holes this [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,219],"tags":[],"class_list":["post-218198","post","type-post","status-publish","format-standard","hentry","category-cosmology","category-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/218198","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\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=218198"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/218198\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=218198"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=218198"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=218198"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}