{"id":135566,"date":"2022-02-13T16:22:18","date_gmt":"2022-02-14T00:22:18","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2022\/02\/scientists-may-have-just-found-an-invisible-black-hole-should-you-be-worried"},"modified":"2022-02-13T16:22:18","modified_gmt":"2022-02-14T00:22:18","slug":"scientists-may-have-just-found-an-invisible-black-hole-should-you-be-worried","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2022\/02\/scientists-may-have-just-found-an-invisible-black-hole-should-you-be-worried","title":{"rendered":"Scientists may have just found an invisible black hole \u2014 should you be worried?"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/scientists-may-have-just-found-an-invisible-black-hole-should-you-be-worried2.jpg\"><\/a><\/p>\n<p>It\u2019s hard to spot a black hole.<\/p>\n<hr>\n<p>There are two different approaches to such detection. In \u201cX-ray binary stars\u201d \u2014 in which a star and a black hole orbit a shared center while producing X-rays \u2014 a black hole\u2019s gravitational field can pull material from its companion. The material circles the black hole, heating up by friction as it does so.<\/p>\n<p>The <a href=\"https:\/\/theconversation.com\/first-black-hole-photo-confirms-einsteins-theory-of-relativity-115167\" target=\"_blank\" rel=\"noreferrer\">hot material glows<\/a> brightly in X-ray light, making the black hole visible, before being sucked into the black hole and disappearing. You can also detect pairs of black holes as they merge together, spiraling inwards and emitting a brief flash of <a href=\"https:\/\/theconversation.com\/gravitational-waves-found-the-inside-story-54589\" target=\"_blank\" rel=\"noreferrer\">gravitational waves<\/a>, which are ripples in spacetime.<\/p>\n<p>There are many rogue black holes that are drifting through space without interacting with anything, however \u2014 making them hard to detect. That\u2019s a problem, because if we can\u2019t detect isolated black holes, then we can\u2019t learn about <a href=\"https:\/\/theconversation.com\/black-holes-we-think-weve-spotted-the-mysterious-birth-of-one-174726\" target=\"_blank\" rel=\"noreferrer\">how they formed<\/a> and about the deaths of the stars they came from.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>It\u2019s hard to spot a black hole. There are two different approaches to such detection. In \u201cX-ray binary stars\u201d \u2014 in which a star and a black hole orbit a shared center while producing X-rays \u2014 a black hole\u2019s gravitational field can pull material from its companion. The material circles the black hole, heating up [\u2026]<\/p>\n","protected":false},"author":631,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,219],"tags":[],"class_list":["post-135566","post","type-post","status-publish","format-standard","hentry","category-cosmology","category-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/135566","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\/631"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=135566"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/135566\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=135566"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=135566"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=135566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}