{"id":566,"date":"2016-08-18T00:14:52","date_gmt":"2016-08-18T00:14:52","guid":{"rendered":"http:\/\/mrbiggs.net\/ron\/?p=566"},"modified":"2016-08-18T00:14:52","modified_gmt":"2016-08-18T00:14:52","slug":"black-holes-and-light-cones","status":"publish","type":"post","link":"http:\/\/mrbiggs.net\/ron\/?p=566","title":{"rendered":"Black holes and light cones"},"content":{"rendered":"<p>I&#8217;ve been\u00a0furthering my investigations into whether an event horizon collapses on you as you approach it. \u00a0One of the main sticking points now seems to be the concept of the light cone. \u00a0In short, the light cone shows you in which way space and time warp as your inertial frame changes in a relativistic fashion (significantly large relative to light speed).<\/p>\n<p>This is about as accurate a picture as I could find:<\/p>\n<div id=\"attachment_567\" style=\"width: 316px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/mrbiggs.net\/ron\/wp-content\/uploads\/2016\/08\/properlightcone.gif\"><img aria-describedby=\"caption-attachment-567\" loading=\"lazy\" class=\"size-full wp-image-567\" src=\"http:\/\/mrbiggs.net\/ron\/wp-content\/uploads\/2016\/08\/properlightcone.gif\" alt=\"A proper light cone.  The diagonals represent the speed of light, or c.\" width=\"306\" height=\"176\" \/><\/a><p id=\"caption-attachment-567\" class=\"wp-caption-text\">A proper light cone. The diagonals represent the speed of light, or c.<\/p><\/div>\n<p>Obeying the absolute nature of light speed, or c, the diagonals always stay at 45 degrees. \u00a0It&#8217;s space (x axis) and time (y axis) which shift on us. \u00a0Things moving away are stretched out, things approaching us are smushed in. \u00a0Both time-wise and space-wise.<\/p>\n<p>Here&#8217;s a nice top view of the above light cone.<\/p>\n<div id=\"attachment_568\" style=\"width: 522px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/mrbiggs.net\/ron\/wp-content\/uploads\/2016\/08\/properlightcone_topview.gif\"><img aria-describedby=\"caption-attachment-568\" loading=\"lazy\" class=\"wp-image-568 size-full\" src=\"http:\/\/mrbiggs.net\/ron\/wp-content\/uploads\/2016\/08\/properlightcone_topview.gif\" alt=\"Light Cone Top View \" width=\"512\" height=\"305\" \/><\/a><p id=\"caption-attachment-568\" class=\"wp-caption-text\">Top-down view of the above light cone.<\/p><\/div>\n<p>Now I don&#8217;t know why, but for some reason, established journals are throwing this light cone out the window when using them to illustrate the approach of a black hole. \u00a0Here&#8217;s one:<\/p>\n<p><a href=\"http:\/\/mrbiggs.net\/ron\/wp-content\/uploads\/2016\/08\/blackhole-lightcone.gif\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-569\" src=\"http:\/\/mrbiggs.net\/ron\/wp-content\/uploads\/2016\/08\/blackhole-lightcone.gif\" alt=\"blackhole lightcone\" width=\"340\" height=\"497\" \/><\/a><\/p>\n<p>Keep in mind this is the same light cone as what we rigorously explained above. \u00a0Not sure what&#8217;s so special about the area outside a black hole that it would rewrite the very nature of how those light cone diagonals would point? \u00a0Call it hubris but it seems quite sloppy to me.<\/p>\n<p>Of course, the very idea of those light cones inside the black hole, with both diagonals pointing inward, is like having an axis with two negative sides.<\/p>\n<p>Here&#8217;s another one:<\/p>\n<div id=\"attachment_570\" style=\"width: 452px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/mrbiggs.net\/ron\/wp-content\/uploads\/2016\/08\/lightcone-bh.gif\"><img aria-describedby=\"caption-attachment-570\" loading=\"lazy\" class=\"size-full wp-image-570\" src=\"http:\/\/mrbiggs.net\/ron\/wp-content\/uploads\/2016\/08\/lightcone-bh.gif\" alt=\"Rotating light cones?\" width=\"442\" height=\"381\" \/><\/a><p id=\"caption-attachment-570\" class=\"wp-caption-text\">Rotating light cones? \u00a0Where are we getting rotation from?<\/p><\/div>\n<p>I could show more but they&#8217;re equally eyebrow raising. \u00a0Again, I&#8217;m fully committed to admitting I&#8217;m wrong. \u00a0But if I am, we have some simpler issues to straighten out first.<\/p>\n<p>More later.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I&#8217;ve been\u00a0furthering my investigations into whether an event horizon collapses on you as you approach it. \u00a0One of the main sticking points now seems to be the concept of the light cone. \u00a0In short, the light cone shows you in which way space and time warp as your inertial frame changes in a relativistic fashion [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[335],"tags":[293,294,337,336],"_links":{"self":[{"href":"http:\/\/mrbiggs.net\/ron\/index.php?rest_route=\/wp\/v2\/posts\/566"}],"collection":[{"href":"http:\/\/mrbiggs.net\/ron\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/mrbiggs.net\/ron\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/mrbiggs.net\/ron\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/mrbiggs.net\/ron\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=566"}],"version-history":[{"count":1,"href":"http:\/\/mrbiggs.net\/ron\/index.php?rest_route=\/wp\/v2\/posts\/566\/revisions"}],"predecessor-version":[{"id":571,"href":"http:\/\/mrbiggs.net\/ron\/index.php?rest_route=\/wp\/v2\/posts\/566\/revisions\/571"}],"wp:attachment":[{"href":"http:\/\/mrbiggs.net\/ron\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=566"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/mrbiggs.net\/ron\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=566"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/mrbiggs.net\/ron\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}