{"id":5112,"date":"2011-06-01T12:19:10","date_gmt":"2011-06-01T17:19:10","guid":{"rendered":"https:\/\/spaceengine.org\/?p=5112"},"modified":"2022-08-27T12:20:00","modified_gmt":"2022-08-27T17:20:00","slug":"black-holes","status":"publish","type":"post","link":"https:\/\/spaceengine.org\/news\/blog110601\/","title":{"rendered":"Black holes"},"content":{"rendered":"<p>This is a first implementation of black holes. Rendered as a sprite withe the shader which takes the background image as a texture and warps it. So some pixelation and other artifacts appear close to the black hole. The better way to render black hole is a spherical mesh, which includes the whole lensing area, and a cabemap with image of the entire scene passed to the shader. And of course using correct equations from black hole physics. But this is for future updates \ud83d\ude42<\/p>\n<p>Header image: a black hole in the center of our galaxy.<\/p>\n<p>Another hole in the center of a globular cluster:<\/p>\n<p>This can't happen in reality, but it is something interesting to see: a black hole with a mass of 5.8 suns next to a planet like the Earth:<\/p>\n<p><a href=\"https:\/\/spaceengine.org\/wp-content\/uploads\/2022\/08\/scr00152.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/spaceengine.org\/wp-content\/uploads\/2022\/08\/scr00152.jpg\" alt=\"\" width=\"800\" height=\"600\" class=\"aligncenter size-full wp-image-5109\" srcset=\"https:\/\/spaceengine.org\/wp-content\/uploads\/2022\/08\/scr00152.jpg 800w, https:\/\/spaceengine.org\/wp-content\/uploads\/2022\/08\/scr00152-300x225.jpg 300w, https:\/\/spaceengine.org\/wp-content\/uploads\/2022\/08\/scr00152-768x576.jpg 768w, https:\/\/spaceengine.org\/wp-content\/uploads\/2022\/08\/scr00152-700x525.jpg 700w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/spaceengine.org\/wp-content\/uploads\/2022\/08\/scr00153.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/spaceengine.org\/wp-content\/uploads\/2022\/08\/scr00153.jpg\" alt=\"\" width=\"800\" height=\"600\" class=\"aligncenter size-full wp-image-5111\" srcset=\"https:\/\/spaceengine.org\/wp-content\/uploads\/2022\/08\/scr00153.jpg 800w, https:\/\/spaceengine.org\/wp-content\/uploads\/2022\/08\/scr00153-300x225.jpg 300w, https:\/\/spaceengine.org\/wp-content\/uploads\/2022\/08\/scr00153-768x576.jpg 768w, https:\/\/spaceengine.org\/wp-content\/uploads\/2022\/08\/scr00153-700x525.jpg 700w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This is a first implementation of black holes. Rendered as a sprite withe the shader which takes the background image as a texture and warps it. So some pixelation and other artifacts appear close to the black hole. The better way to render black hole...<\/p>\n","protected":false},"author":1,"featured_media":5110,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5112","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/spaceengine.org\/wp-json\/wp\/v2\/posts\/5112","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceengine.org\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceengine.org\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceengine.org\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceengine.org\/wp-json\/wp\/v2\/comments?post=5112"}],"version-history":[{"count":1,"href":"https:\/\/spaceengine.org\/wp-json\/wp\/v2\/posts\/5112\/revisions"}],"predecessor-version":[{"id":5113,"href":"https:\/\/spaceengine.org\/wp-json\/wp\/v2\/posts\/5112\/revisions\/5113"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceengine.org\/wp-json\/wp\/v2\/media\/5110"}],"wp:attachment":[{"href":"https:\/\/spaceengine.org\/wp-json\/wp\/v2\/media?parent=5112"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceengine.org\/wp-json\/wp\/v2\/categories?post=5112"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceengine.org\/wp-json\/wp\/v2\/tags?post=5112"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}