{"id":119515,"date":"2021-02-13T05:22:41","date_gmt":"2021-02-13T13:22:41","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2021\/02\/unexpected-discovery-hubble-space-telescope-uncovers-concentration-of-small-black-holes"},"modified":"2021-02-13T05:22:41","modified_gmt":"2021-02-13T13:22:41","slug":"unexpected-discovery-hubble-space-telescope-uncovers-concentration-of-small-black-holes","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2021\/02\/unexpected-discovery-hubble-space-telescope-uncovers-concentration-of-small-black-holes","title":{"rendered":"Unexpected Discovery: Hubble Space Telescope Uncovers Concentration of Small Black Holes"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/unexpected-discovery-hubble-space-telescope-uncovers-concentration-of-small-black-holes.gif\"><\/a><\/p>\n<p>Scientists were expecting to find an intermediate-mass black hole at the heart of the globular cluster NGC 6397, but instead they found evidence of a concentration of smaller black holes lurking there. New data from the NASA \/ESA Hubble Space Telescope have led to the first measurement of the extent of a collection of black holes in a core-collapsed globular cluster.<\/p>\n<p>Globular clusters are extremely dense stellar systems, in which stars are packed closely together. They are also typically very old \u2014 the globular cluster that is the focus of this study, NGC 6397, is almost as old as the Universe itself. It resides 7800 light-years away, making it one of the closest globular clusters to Earth. Because of its very dense nucleus, it is known as a core-collapsed cluster.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Scientists were expecting to find an intermediate-mass black hole at the heart of the globular cluster NGC 6397, but instead they found evidence of a concentration of smaller black holes lurking there. New data from the NASA \/ESA Hubble Space Telescope have led to the first measurement of the extent of a collection of black [\u2026]<\/p>\n","protected":false},"author":396,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[],"class_list":["post-119515","post","type-post","status-publish","format-standard","hentry","category-cosmology"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/119515","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\/396"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=119515"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/119515\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=119515"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=119515"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=119515"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}