{"id":297256,"date":"2024-05-29T18:07:03","date_gmt":"2024-05-29T12:37:03","guid":{"rendered":"https:\/\/forumias.com\/blog\/?p=297256"},"modified":"2024-05-29T18:07:03","modified_gmt":"2024-05-29T12:37:03","slug":"astronomical-transients","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/astronomical-transients\/","title":{"rendered":"Astronomical Transients"},"content":{"rendered":"<p>Source-This post on <strong>Astronomical Transients<\/strong> has been created based on the article<strong> <a href=\"https:\/\/www.thehindu.com\/sci-tech\/science\/shrinivas-kulkarni-shaw-prize-astronomical-transients\/article68217965.ece\" target=\"_blank\" rel=\"noopener\">&#8220;Astronomical transients: bright in the blink of an eye&#8221;<\/a> <\/strong>published in <strong>\u201cThe Hindu\u201d<\/strong>\u00a0on 29 May 2024.<\/p>\n<h2>Why in News?<\/h2>\n<p>Recently, Shrinivas Kulkarni, an Indian-American astronomer, received the 2024 Shaw Prize in Astronomy for his contributions to understanding the physics of <span style=\"color: #ff0000;\">astronomical transients<\/span>.<\/p>\n<h2>About Astronomical Transients<\/h2>\n<figure style=\"width: 435px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/i0.wp.com\/astrobites.org\/wp-content\/uploads\/2022\/09\/Black_Hole_Outflows_From_Centaurus_A-scaled.jpg?resize=435%2C441&#038;ssl=1\" alt=\"Guide to Transient Astronomy\" width=\"435\" height=\"441\" \/><figcaption class=\"wp-caption-text\">Source: vuink.com<\/figcaption><\/figure>\n<p>1. An astronomical transient is <span style=\"color: #ff0000;\">any celestial object<\/span> that experiences changes in brightness over short periods of time. These phenomena are typically <span style=\"color: #ff0000;\">associated with violent events in space.<\/span><\/p>\n<p>2. Astronomers study transients <span style=\"color: #ff0000;\">to understand the sources and mechanisms of their violent behavior<\/span> and <span style=\"color: #ff0000;\">to gain insights into more stable astronomical events.<\/span><\/p>\n<h2>Examples of Astronomical Transients<\/h2>\n<p><strong>1. Supernovae:<\/strong> It occur when the<span style=\"color: #ff0000;\"> outer layers of a large star explode<\/span> and the core implodes, triggered by the star&#8217;s exhaustion of fusionable elements. Some supernovae can outshine all other stars in their host galaxy combined, due to their intense brightness.<\/p>\n<p><strong>2. Active Galactic Nucleus (AGN):<\/strong> It was found <span style=\"color: #ff0000;\">at the centers of massive galaxies.<\/span> These are<span style=\"color: #ff0000;\"> supermassive black holes<\/span> that actively consume nearby matter. The interaction between the black holes and their surrounding matter causes the latter to gain energy and vary in brightness.<\/p>\n<p><strong>3. Fast Radio Burst (FRB):<\/strong> It was<span style=\"color: #ff0000;\"> first identified in 2007.<\/span> It is <span style=\"color: #ff0000;\">capable of emitting energy<\/span> exceeding ten times that of the sun in just a few milliseconds.<\/p>\n<p><strong>UPSC Syllabus: Science and technology<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Source-This post on Astronomical Transients has been created based on the article &#8220;Astronomical transients: bright in the blink of an eye&#8221; published in \u201cThe Hindu\u201d\u00a0on 29 May 2024. Why in News? Recently, Shrinivas Kulkarni, an Indian-American astronomer, received the 2024 Shaw Prize in Astronomy for his contributions to understanding the physics of astronomical transients. About&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/astronomical-transients\/\">Continue reading <span class=\"screen-reader-text\">Astronomical Transients<\/span><\/a><\/p>\n","protected":false},"author":10366,"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],"tags":[11872,10498],"class_list":["post-297256","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-science-and-technology-daily-factly-articles","tag-9pm-daily-factly","tag-the-hindu","entry"],"jetpack_featured_media_url":"","views":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/297256","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\/10366"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=297256"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/297256\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=297256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=297256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=297256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}