{"id":269162,"date":"2023-11-14T18:32:00","date_gmt":"2023-11-14T13:02:00","guid":{"rendered":"https:\/\/forumias.com\/blog\/?p=269162"},"modified":"2023-11-14T18:32:00","modified_gmt":"2023-11-14T13:02:00","slug":"concept-of-white-hole-universe-may-have-resulted-out-of-a-big-bounce","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/concept-of-white-hole-universe-may-have-resulted-out-of-a-big-bounce\/","title":{"rendered":"Concept of White Hole: Universe may have resulted out of a \u2018Big Bounce\u2019"},"content":{"rendered":"<p><b>Source: <\/b><span style=\"font-weight: 400;\">The post is based on the article <\/span><b>\u201cConcept of White Hole: Universe may have resulted out of a Big Bounce\u201d <\/b><span style=\"font-weight: 400;\">published in <\/span><b>\u201cThe Hindu\u201d on 14th November 2023<\/b><\/p>\n<h2><strong>Why in the News?<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">Carlo Rovelli has written a book called <\/span><span style=\"font-weight: 400;\">White Holes: Inside the Horizon. In this book, he explains the theoretical existence of white holes.<\/span><\/p>\n<h2><strong>What are White Holes?<\/strong><\/h2>\n<figure id=\"attachment_269163\" aria-describedby=\"caption-attachment-269163\" style=\"width: 750px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"wp-image-269163 size-large\" src=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2023\/11\/4-WhiteHole-copy-2898bd2.webp?resize=750%2C515&#038;ssl=1\" alt=\"White Holes\" width=\"750\" height=\"515\" srcset=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2023\/11\/4-WhiteHole-copy-2898bd2.webp?resize=1024%2C703&amp;ssl=1 1024w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2023\/11\/4-WhiteHole-copy-2898bd2.webp?resize=300%2C206&amp;ssl=1 300w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2023\/11\/4-WhiteHole-copy-2898bd2.webp?resize=768%2C527&amp;ssl=1 768w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2023\/11\/4-WhiteHole-copy-2898bd2.webp?resize=1536%2C1054&amp;ssl=1 1536w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2023\/11\/4-WhiteHole-copy-2898bd2.webp?resize=1568%2C1076&amp;ssl=1 1568w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2023\/11\/4-WhiteHole-copy-2898bd2.webp?w=2000&amp;ssl=1 2000w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-269163\" class=\"wp-caption-text\"><strong>Source:<\/strong> Space.com<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">White Hole is the reverse of Black Hole.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Black hole is a region from which nothing, not even light, can escape due to the overwhelming gravitational pull.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">On the other hand, white hole is envisioned as a region into which nothing can fall. Instead of matter and energy being pulled inward, a white hole would expel matter and light, but nothing could enter it.<\/span><\/p>\n<h2><strong>Who devised the idea of White Holes?<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">White holes emerge from the solutions of Einstein&#8217;s theory of general relativity devised by Karl Schwarzschild in 1916, just a year after the theory was first published.\u00a0<\/span><\/p>\n<h2><strong>Is there any evidence that White Hole exists?<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">No, White holes are still purely a theoretical concept and have not been observed.\u00a0<\/span><\/p>\n<h2><strong>What does Carlo Rovelli say about White Holes in his book?<\/strong><\/h2>\n<p><span style=\"font-weight: 400;\">White holes are the reverse of black holes, where objects fall in and then bounce back. Einstein&#8217;s theories predict the bounce-out phenomenon, but quantum mechanics provides more support.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The concept of &#8220;<strong>loop quantum gravity<\/strong>&#8221; proposes that a black hole can bounce and transform into a white hole.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This <strong>bounce-out theory<\/strong> implies that space and time undergo &#8220;quantum jumps,&#8221; challenging our conventional understanding of space-time.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Moreover, there is also a possibility that our universe originated from a white hole and a previous universe might have been swallowed by a black hole.<\/span><\/p>\n<p><strong>UPSC Syllabus: Science and Technology<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Source: The post is based on the article \u201cConcept of White Hole: Universe may have resulted out of a Big Bounce\u201d published in \u201cThe Hindu\u201d on 14th November 2023 Why in the News? Carlo Rovelli has written a book called White Holes: Inside the Horizon. In this book, he explains the theoretical existence of white&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/concept-of-white-hole-universe-may-have-resulted-out-of-a-big-bounce\/\">Continue reading <span class=\"screen-reader-text\">Concept of White Hole: Universe may have resulted out of a \u2018Big Bounce\u2019<\/span><\/a><\/p>\n","protected":false},"author":10317,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,1738,1],"tags":[11872,10498],"class_list":["post-269162","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-science-and-technology-daily-factly-articles","category-uncategorized","tag-9pm-daily-factly","tag-the-hindu","entry"],"jetpack_featured_media_url":"","views":{"total":2,"cached_at":"","cached_date":1700005966},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/269162","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10317"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=269162"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/269162\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=269162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=269162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=269162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}