{"id":66603,"date":"2025-10-05T14:09:40","date_gmt":"2025-10-05T08:39:40","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=66603"},"modified":"2025-10-06T15:44:16","modified_gmt":"2025-10-06T10:14:16","slug":"dark-stars","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/dark-stars\/","title":{"rendered":"Dark Stars"},"content":{"rendered":"<h2><b>Dark Stars Latest News<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Astronomers recently unearthed evidence that some of the earliest luminous objects in the universe may be \u201cdark stars\u201d, stars powered not by nuclear fusion but by dark matter annihilation.<\/span><\/p>\n<h2><b>About Dark Stars<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dark stars are <\/span><b>hypothetical objects<\/b><span style=\"font-weight: 400;\"> that <\/span><b>may have inhabited the early universe.<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Scientists believe that dark stars<\/span><b> might be the oldest stars in the history of the universe <\/b><span style=\"font-weight: 400;\">and may represent the <\/span><b>first phase of stellar evolution.\u00a0<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">These stars are <\/span><b>giant<\/b><span style=\"font-weight: 400;\">, <\/span><b>much larger than our sun<\/b><span style=\"font-weight: 400;\"> or any of the other stars around today.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A single dark star could be as much as<\/span><b> 400 to 200,000 times wider than our sun <\/b><span style=\"font-weight: 400;\">and <\/span><b>500 to 1,000 times more massive.<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Dark stars <\/span><b>aren&#8217;t actually dark;<\/b><span style=\"font-weight: 400;\"> they just<\/span><b> don&#8217;t emit any visible light.\u00a0<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">That&#8217;s <\/span><b>because instead of nuclear fusion<\/b><span style=\"font-weight: 400;\">, which is the process that converts hydrogen into helium in the core of an ordinary star, <\/span><b>dark stars are powered differently.\u00a0<\/b>\n<ul>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Astronomers believe that <\/span><b>dark matter heating is what powers them.<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Because there\u2019s <\/span><b>no fusion<\/b><span style=\"font-weight: 400;\"> happening inside them, <\/span><b>they aren\u2019t very hot.<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><b>Because dark stars don\u2019t rely on core fusion to stave off gravitational collapse<\/b><span style=\"font-weight: 400;\">, <\/span><b>they\u2019re not extremely compressed <\/b><span style=\"font-weight: 400;\">like normal stars.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Instead, dark stars are likely<\/span><b> giant, puffy clouds<\/b><span style=\"font-weight: 400;\"> that <\/span><b>shine extremely bright.<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><b>A single dark star <\/b><span style=\"font-weight: 400;\">from the early Universe <\/span><b>could be as bright as an early galaxy containing many more standard stars.<\/b><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\">And even though they&#8217;d be massive \u2014 and potentially spewing gamma rays, neutrinos, and antimatter \u2014 so far, they&#8217;ve been <b style=\"font-size: inherit;\">too faint to be detected because they don&#8217;t emit visible light.<\/b><\/li>\n<\/ul>\n<p><b>Source<\/b><span style=\"font-weight: 400;\">: <\/span><a href=\"https:\/\/epaper.thehindu.com\/ccidist-ws\/th\/th_delhi\/issues\/150738\/OPS\/G6MF014PN.1+G67F02J72.1.html\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">TH<\/span><\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dark stars are hypothetical, massive ancient stars powered by dark matter, possibly representing the first phase of stellar evolution in the early universe.<\/p>\n","protected":false},"author":23,"featured_media":66906,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[3074,21,22,23],"class_list":{"0":"post-66603","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-dark-stars","9":"tag-prelims-pointers","10":"tag-upsc-current-affairs","11":"tag-upsc-prelims-current-affairs","12":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/66603","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\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=66603"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/66603\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/66906"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=66603"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=66603"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=66603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}