


{"id":23994,"date":"2024-06-05T01:10:33","date_gmt":"2024-06-04T19:40:33","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=23994"},"modified":"2025-10-07T12:34:39","modified_gmt":"2025-10-07T07:04:39","slug":"blaze-star","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/blaze-star\/","title":{"rendered":"Blaze Star"},"content":{"rendered":"<h2>About Blaze Star:<\/h2>\n<ul>\n<li>Blaze Star, officially known as <strong>T Coronae Borealis (T CrB),<\/strong> is a dim star located 3,000 light-years away from our solar system.\u00a0<\/li>\n<li>It is found in the constellation <strong>Corona Borealis<\/strong> (the \u201cNorthern Crown\u201d).<\/li>\n<li>The Blaze Star is a rare example of a <strong>recurrent nova<\/strong>, occurring once in every 80 years.<\/li>\n<li><strong>Stellar components<\/strong>: The nova involves a binary star system comprising a <strong>white dwarf <\/strong>and <strong>a red giant<\/strong>.\u00a0\n<ul>\n<li>The <strong>white dwarf<\/strong> draws material from the red giant, leading to periodic explosive increases in brightness.<\/li>\n<li>\u00a0The explosion occurs when the red giant\u2019s surface temperature escalates dramatically, causing it to shed material onto the white dwarf, which then ignites a<strong> thermonuclear explosion.<\/strong><\/li>\n<\/ul>\n<\/li>\n<li>The upcoming stellar explosion is expected to be visible with the naked eye and shine as brightly as<strong> Polaris,<\/strong> <a href=\"https:\/\/vajiramandravi.com\/current-affairs\/what-is-north-star\/\" target=\"_blank\"><strong>the North Star<\/strong><\/a><strong>,<\/strong> for about a week.\u00a0\n<ul>\n<li><strong>NASA <\/strong>predicts this event to occur sometime between <strong>now <\/strong>and <strong>September<\/strong> 2024.<\/li>\n<\/ul>\n<\/li>\n<li>Past notable eruptions of T CrB were recorded in the years<strong> 1946 <\/strong>and <strong>1866<\/strong>, with earlier documented observations dating back to <strong>1787 <\/strong>and <strong>1217.<\/strong><\/li>\n<li><strong>Frequency and Impact<\/strong>: Novae like T CrB occur once every few decades to a century, differing from supernovae in scale, frequency, and consequences.\u00a0\n<ul>\n<li>Unlike supernovae, novae do not destroy the star system but allow it to reset and repeat the cycle.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h3>Q1. What is a Chandrasekhar limit?<\/h3>\n<p>The Chandrasekhar limit is the maximum mass of a stable white dwarf star, approximately 1.4 times the mass of the Sun, beyond which it collapses into a neutron star or <a href=\"https:\/\/vajiramandravi.com\/upsc-exam\/black-hole\/\" target=\"_blank\" rel=\"noopener noreferrer\" target=\"_blank\"><strong>black hole<\/strong><\/a>.<\/p>\n<p><strong>Source: <\/strong><a href=\"https:\/\/www.livescience.com\/space\/astronomy\/a-new-star-could-appear-in-the-sky-any-night-now-heres-how-to-see-the-blaze-star-ignite\" target=\"_blank\" rel=\"nofollow noopener\">A &#8216;new star&#8217; could appear in the sky any night now. Here&#8217;s how to see the Blaze Star ignite.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Blaze Star, officially known as T Coronae Borealis (T CrB), is a dim star located 3,000 light-years away from our solar system.<\/p>\n","protected":false},"author":5,"featured_media":23995,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-23994","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\/23994","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=23994"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/23994\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/23995"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=23994"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=23994"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=23994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}