{"id":834,"date":"2005-02-09T11:30:16","date_gmt":"2005-02-09T18:30:16","guid":{"rendered":"http:\/\/dabacon.org\/pontiff\/?p=834"},"modified":"2005-02-09T11:30:16","modified_gmt":"2005-02-09T18:30:16","slug":"under-the-milky-way-tonight","status":"publish","type":"post","link":"https:\/\/dabacon.org\/pontiff\/2005\/02\/09\/under-the-milky-way-tonight\/","title":{"rendered":"Under the Milky Way Tonight"},"content":{"rendered":"<p>In <a href=\"http:\/\/xxx.lanl.gov\/abs\/astro-ph\/0501177\">astro-ph\/0501177<\/a>,  Warren Brown, Margaret Geller, Scott Kenyon, and Michael Kurtz announce the discovery of a star which is traveling out of the Milky Way galactic halo at a speed of at least around 700 kilometers per second (.2% of the speed of light.)  That&#8217;s the fastest ever observed, and the authors speculate that this may be an example of a star which interacted with the black hole at the center of our galaxy.   For comparrison, the escape velocity for a star located at its current distance from the galactic center (50 kiloparsecs) is 300 kilometers per second.<br \/>\nSo I guess we should all say good bye to SDSS J090745.0+024507.  Say &#8220;hi&#8221; to the intergalactic medium for us, won&#8217;t you?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In astro-ph\/0501177, Warren Brown, Margaret Geller, Scott Kenyon, and Michael Kurtz announce the discovery of a star which is traveling out of the Milky Way galactic halo at a speed of at least around 700 kilometers per second (.2% of the speed of light.) That&#8217;s the fastest ever observed, and the authors speculate that this &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/dabacon.org\/pontiff\/2005\/02\/09\/under-the-milky-way-tonight\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Under the Milky Way Tonight&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","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}},"categories":[70],"tags":[],"class_list":["post-834","post","type-post","status-publish","format-standard","hentry","category-science"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/dabacon.org\/pontiff\/wp-json\/wp\/v2\/posts\/834","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dabacon.org\/pontiff\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dabacon.org\/pontiff\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dabacon.org\/pontiff\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dabacon.org\/pontiff\/wp-json\/wp\/v2\/comments?post=834"}],"version-history":[{"count":0,"href":"https:\/\/dabacon.org\/pontiff\/wp-json\/wp\/v2\/posts\/834\/revisions"}],"wp:attachment":[{"href":"https:\/\/dabacon.org\/pontiff\/wp-json\/wp\/v2\/media?parent=834"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dabacon.org\/pontiff\/wp-json\/wp\/v2\/categories?post=834"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dabacon.org\/pontiff\/wp-json\/wp\/v2\/tags?post=834"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}