{"id":373,"date":"2008-12-21T17:49:30","date_gmt":"2008-12-21T21:49:30","guid":{"rendered":"https:\/\/scottaaronson.blog\/?p=373"},"modified":"2008-12-21T17:49:30","modified_gmt":"2008-12-21T21:49:30","slug":"how-long-could-a-black-hole-remain-in-the-center-of-the-earth","status":"publish","type":"post","link":"https:\/\/scottaaronson.blog\/?p=373","title":{"rendered":"How long could a black hole remain in the center of the earth?"},"content":{"rendered":"<p>The above question came up in conversation with <a href=\"http:\/\/www.acceleratingfuture.com\/people\/Michael-Vassar\/\">Michael Vassar<\/a> and some other nerds in New York City yesterday (before I went with relatives to see <a href=\"http:\/\/www.backstage.com\/bso\/news_reviews\/nyc\/review_display.jsp?vnu_content_id=1003920024\">Gimpel Tam<\/a>, an extraordinarily dark and depressing musical performed entirely in Yiddish).\u00a0 Look, I know a massive black hole would swallow the earth extremely quickly, and I also know that a microscopic black hole would quickly evaporate as Hawking radiation.\u00a0 So suppose we chose one of intermediate size so as to maximize the earth&#8217;s survival time&#8212;how long a time could we achieve?\u00a0 (Does the answer depend on the viscosity of the magma or whatever else is in the earth&#8217;s core?)\u00a0 Sure, I could try to calculate an answer myself, but why bother when so many physicists read this blog?\u00a0 Pencils out!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The above question came up in conversation with Michael Vassar and some other nerds in New York City yesterday (before I went with relatives to see Gimpel Tam, an extraordinarily dark and depressing musical performed entirely in Yiddish).\u00a0 Look, I know a massive black hole would swallow the earth extremely quickly, and I also know [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"jetpack_seo_schema_type":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"{title}\n\n{excerpt}\n\n{url}","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false,"jetpack_post_was_ever_published":false},"categories":[18,19],"tags":[],"class_list":["post-373","post","type-post","status-publish","format-standard","hentry","category-embarrassing-myself","category-physics-for-doofuses"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/scottaaronson.blog\/index.php?rest_route=\/wp\/v2\/posts\/373","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/scottaaronson.blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/scottaaronson.blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/scottaaronson.blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/scottaaronson.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=373"}],"version-history":[{"count":0,"href":"https:\/\/scottaaronson.blog\/index.php?rest_route=\/wp\/v2\/posts\/373\/revisions"}],"wp:attachment":[{"href":"https:\/\/scottaaronson.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=373"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/scottaaronson.blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=373"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/scottaaronson.blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}