{"id":11970,"date":"2023-06-09T10:41:03","date_gmt":"2023-06-09T05:11:03","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=11970"},"modified":"2025-03-30T06:33:24","modified_gmt":"2025-03-30T01:03:24","slug":"what-is-betelgeuse","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/what-is-betelgeuse\/","title":{"rendered":"What is Betelgeuse?"},"content":{"rendered":"<h2><strong>About Betelgeuse:<\/strong><\/h2>\n<ul>\n<li>Betelgeuse is a <strong>red supergiant star<\/strong> that forms the left shoulder of the <strong>constellation of Orion.<\/strong><\/li>\n<li>It is <strong>one of the brightest stars<\/strong> in the night sky and <strong>one of the largest stars ever discovered.<\/strong><\/li>\n<li>The star is approximately <strong>650 light-years from Earth<\/strong>.<\/li>\n<li>It is one of the largest known stars, measuring <strong>more than 700 million miles (1.2 billion kilometers) in diameter<\/strong>, <strong>764 times as large as the Sun<\/strong>.\u00a0<\/li>\n<li>It is known for its <strong>periodic dimming and brightening up.<\/strong><\/li>\n<\/ul>\n<h3>What is a Supernova?<\/h3>\n<ul>\n<li>A supernova is the name given to the <strong>cataclysmic explosion of a massive star.<\/strong><\/li>\n<li>They are the <strong>largest explosion that takes place in space.<\/strong><\/li>\n<li><strong>A star can go supernova in one of two ways:<\/strong>\n<ul>\n<li><strong>Type I supernova<\/strong>: <strong>Star accumulates matter from a nearby neighbor<\/strong> until a <strong>runaway nuclear reaction ignites.<\/strong><\/li>\n<li><strong>Type II supernova:<\/strong> <strong>Star runs out of nuclear fuel<\/strong> <strong>and collapses under its own gravity.<\/strong><\/li>\n<\/ul>\n<\/li>\n<li>It can <strong>emit more energy in a few seconds than our sun will radiate in its lifetime<\/strong> of billions of years.<\/li>\n<li>They&#8217;re also the <strong>primary source of heavy elemen<\/strong>ts in the universe.<\/li>\n<li><strong>On average, a supernova will occur once every 50 years<\/strong> in a galaxy the size of the Milky Way.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<h3>Q1)\u00a0What is a Supernova?<\/h3>\n<p>A supernova is the name given to the cataclysmic explosion of a massive star. They are the largest explosion that takes place in space.<\/p>\n<p><strong>Source:\u00a0<\/strong><a href=\"https:\/\/www.news9live.com\/science\/betelgeuse-is-unusually-bright-and-scientists-contentiously-suggest-it-might-explode-2172000\" target=\"_blank\" rel=\"nofollow noopener\"><u>Scientists think that a supernova is imminent every time the star grows brighter or dimmer.<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Betelgeuse is a red supergiant star that forms the left shoulder of the constellation of Orion.<\/p>\n","protected":false},"author":5,"featured_media":11971,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-11970","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/11970","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=11970"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/11970\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/11971"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=11970"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=11970"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=11970"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}