{"id":233297,"date":"2026-03-14T05:20:26","date_gmt":"2026-03-14T10:20:26","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/03\/a-100-solar-mass-black-hole-merger-ripples-spacetime-and-may-flash-in-gamma-rays"},"modified":"2026-03-14T05:20:26","modified_gmt":"2026-03-14T10:20:26","slug":"a-100-solar-mass-black-hole-merger-ripples-spacetime-and-may-flash-in-gamma-rays","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/03\/a-100-solar-mass-black-hole-merger-ripples-spacetime-and-may-flash-in-gamma-rays","title":{"rendered":"A 100-solar-mass black hole merger ripples spacetime, and may flash in gamma rays"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/a-100-solar-mass-black-hole-merger-ripples-spacetime-and-may-flash-in-gamma-rays.jpg\"><\/a><\/p>\n<p>An international team from China and Italy has reported a possible cosmic encore to the landmark 2017 multi-messenger discovery. In November 2024, the LIGO-Virgo-KAGRA observatories detected gravitational waves from a binary black hole merger, designated S241125n. Remarkably, just seconds later, satellites recorded a short gamma-ray burst (GRB) from the same region of the sky.<\/p>\n<p>Typically, binary black hole mergers are not expected to produce electromagnetic counterparts. S241125n could be a very rare gravitational-wave event that has been linked to a GRB across multiple wavelengths, extending multi-messenger astronomy into a new regime. Although the association is not yet definitive and will require further follow-up, the probability of a chance coincidence appears low, making the result statistically intriguing while warranting caution.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>An international team from China and Italy has reported a possible cosmic encore to the landmark 2017 multi-messenger discovery. In November 2024, the LIGO-Virgo-KAGRA observatories detected gravitational waves from a binary black hole merger, designated S241125n. Remarkably, just seconds later, satellites recorded a short gamma-ray burst (GRB) from the same region of the sky. Typically, [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,219,2028],"tags":[],"class_list":["post-233297","post","type-post","status-publish","format-standard","hentry","category-cosmology","category-physics","category-satellites"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/233297","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=233297"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/233297\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=233297"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=233297"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=233297"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}