{"id":163033,"date":"2023-04-29T17:22:24","date_gmt":"2023-04-29T22:22:24","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2023\/04\/were-still-in-the-dark-about-a-key-black-hole-paradox"},"modified":"2023-04-29T17:22:24","modified_gmt":"2023-04-29T22:22:24","slug":"were-still-in-the-dark-about-a-key-black-hole-paradox","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2023\/04\/were-still-in-the-dark-about-a-key-black-hole-paradox","title":{"rendered":"We\u2019re still in the dark about a key black hole paradox"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/were-still-in-the-dark-about-a-key-black-hole-paradox3.jpg\"><\/a><\/p>\n<p>Within a year, Karl Schwarzschild, who was \u201ca lieutenant in the German army, by conscription, but a theoretical astronomer by profession,\u201d as Mann puts it, heard of Einstein\u2019s theory. He was the first person to work out a solution to Einstein\u2019s equations, which showed that a singularity could form\u2013and nothing, once it got too close, could move fast enough to escape a singularity\u2019s pull.<\/p>\n<p>Then, in 1939, physicists Rober Oppenheimer (of Manhattan Project fame, or infamy) and Hartland Snyder tried to find out whether a star could create Schwarzschild\u2019s impossible-sounding object. They reasoned that given a big enough sphere of dust, gravity would cause the mass to collapse and form a singularity, which they showed with their calculations. But once World War II broke out, progress in this field stalled until the late 1950s, when people started trying to test Einstein\u2019s theories again.<\/p>\n<p>Physicist John Wheeler, <a href=\"https:\/\/www.haaretz.com\/.premium-what-happens-if-you-pour-tea-into-a-black-hole-1.5177702\" target=\"_blank\" rel=\"noreferrer noopener\">thinking about the implications of a black hole<\/a>, asked one of his grad students, Jacob Bekenstein, a question that stumped scientists in the late 1950s. As Mann paraphrased it: \u201cWhat happens if you pour hot tea into a black hole?\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Within a year, Karl Schwarzschild, who was \u201ca lieutenant in the German army, by conscription, but a theoretical astronomer by profession,\u201d as Mann puts it, heard of Einstein\u2019s theory. He was the first person to work out a solution to Einstein\u2019s equations, which showed that a singularity could form\u2013and nothing, once it got too close, [\u2026]<\/p>\n","protected":false},"author":661,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,41,219,64],"tags":[],"class_list":["post-163033","post","type-post","status-publish","format-standard","hentry","category-cosmology","category-information-science","category-physics","category-singularity"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/163033","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=163033"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/163033\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=163033"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=163033"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=163033"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}