{"id":168003,"date":"2023-07-21T16:27:29","date_gmt":"2023-07-21T21:27:29","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2023\/07\/using-a-detector-the-size-of-a-galaxy-astronomers-find-strongest-evidence-yet-for-gravitational-waves-from-supermassive-black-hole-pairs"},"modified":"2023-07-21T16:27:29","modified_gmt":"2023-07-21T21:27:29","slug":"using-a-detector-the-size-of-a-galaxy-astronomers-find-strongest-evidence-yet-for-gravitational-waves-from-supermassive-black-hole-pairs","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2023\/07\/using-a-detector-the-size-of-a-galaxy-astronomers-find-strongest-evidence-yet-for-gravitational-waves-from-supermassive-black-hole-pairs","title":{"rendered":"Using a detector the size of a galaxy, astronomers find strongest evidence yet for gravitational waves from supermassive black hole pairs"},"content":{"rendered":"<p style=\"padding-right: 20px\"><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/using-a-detector-the-size-of-a-galaxy-astronomers-find-strongest-evidence-yet-for-gravitational-waves-from-supermassive-black-hole-pairs.jpg\"><\/a><\/p>\n<p>When black holes and other enormously massive, dense objects whirl around one another, they send out ripples in space and time called <a href=\"https:\/\/theconversation.com\/explainer-what-are-gravitational-waves-53239\" rel=\"nofollow\"> gravitational waves<\/a>. These waves are one of the few ways we have to study the enigmatic cosmic giants that create them.<\/p>\n<p>Astronomers have observed the high-frequency \u201cchirps\u201d of colliding black holes, but the ultra-low-frequency rumble of supermassive black holes orbiting one another has proven harder to detect. For decades, we have been observing <a href=\"https:\/\/theconversation.com\/explainer-what-is-a-neutron-star-29341\" rel=\"nofollow\"> pulsars<\/a>, a type of star that pulses like a lighthouse, in search of the faint rippling of these waves.<\/p>\n<p>Today, pulsar research collaborations around the world \u2013 including ours, the <a href=\"https:\/\/www.atnf.csiro.au\/research\/pulsar\/ppta\/\" rel=\"nofollow\"> Parkes Pulsar Timing Array<\/a> \u2013 announced their <a href=\"https:\/\/doi.org\/10.3847\/2041-8213\/acdd02\" rel=\"nofollow\"> strongest evidence yet<\/a> for the existence of these waves.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When black holes and other enormously massive, dense objects whirl around one another, they send out ripples in space and time called gravitational waves. These waves are one of the few ways we have to study the enigmatic cosmic giants that create them. Astronomers have observed the high-frequency \u201cchirps\u201d of colliding black holes, but the [\u2026]<\/p>\n","protected":false},"author":661,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,219],"tags":[],"class_list":["post-168003","post","type-post","status-publish","format-standard","hentry","category-cosmology","category-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/168003","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=168003"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/168003\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=168003"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=168003"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=168003"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}