{"id":123581,"date":"2024-11-08T19:47:57","date_gmt":"2024-11-08T12:47:57","guid":{"rendered":"https:\/\/hotvideos24.online\/?p=123581"},"modified":"2024-11-08T19:47:57","modified_gmt":"2024-11-08T12:47:57","slug":"no-fireworks-just-darkness-could-this-stars-quiet-exit-hide-a-newborn-black-hole","status":"publish","type":"post","link":"https:\/\/hotvideos24.online\/?p=123581","title":{"rendered":"No Fireworks, Just Darkness\u2014Could this Star\u2019s Quiet Exit Hide a Newborn Black Hole?"},"content":{"rendered":"<p> <script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-3711241968723425\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-layout-key=\"-fb+5w+4e-db+86\"\r\n     data-ad-client=\"ca-pub-3711241968723425\"\r\n     data-ad-slot=\"7910942971\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><br \/>\n<\/p>\n<div>\n<p>A star that seemed to vanish from the <span style=\"background-color: rgba(56, 63, 78, 0.2);\"><b>Andr<\/b><\/span><strong>omeda Galaxy<\/strong> could be the first-ever detected \u201c<strong>failed supernova<\/strong>,\u201d signaling a quiet but profound cosmic death that might be the birthplace of a <strong>black hole<\/strong>. The star, once blazing brightly, faded into nothingness over seven years, leaving scientists buzzing with the possibility of a groundbreaking discovery in the stellar graveyard.<\/p>\n<h2 class=\"wp-block-heading\">Not All Stars Go Out With a Blaze of Glory<\/h2>\n<p>When massive stars die, they typically explode in a spectacular supernova, lighting up the universe. This dazzling death show occurs when the star\u2019s core collapses in on itself. However, not every massive star gets the energy boost required for a dramatic explosion. Instead, some stars may collapse quietly, essentially turning off like a cosmic light switch. In these cases, the star\u2019s core continues to shrink, forming a <strong><a href=\"https:\/\/dailygalaxy.com\/2024\/11\/what-happens-body-fall-to-a-black-hole\/\">black hole<\/a><\/strong> with little or no fanfare.<\/p>\n<h2 class=\"wp-block-heading\">The First Candidate for a \u201cFailed Supernova\u201d In the Andromeda Galaxy?<\/h2>\n<p>This isn\u2019t just speculation; there\u2019s now a tantalizing candidate for the universe\u2019s quietest black hole birth. A once-bright supergiant in the <strong>Andromeda Galaxy<\/strong> began fading in 2016, and by 2023, it had completely vanished from sight. The <a href=\"https:\/\/iopscience.iop.org\/article\/10.3847\/1538-4357\/ad18d7\" target=\"_blank\" rel=\"noopener\">research<\/a> team, led by MIT astrophysicist <strong>Kishalay De<\/strong>, published their findings on <strong>arXiv.org<\/strong> on October 18, igniting new hope that this is indeed a failed supernova.<\/p>\n<p>\u201cThis is exactly what we\u2019d expect from a failed supernova,\u201d remarked astrophysicist <strong>Morgan Fraser<\/strong>. \u201cIt\u2019s something bright and massive that\u2019s just \u2026 gone.\u201d<\/p>\n<p>But there\u2019s a hitch: De and his team didn\u2019t observe any explosion or visible light show, something scientists would usually expect from a collapsing star\u2019s last gasp. The team speculates that this disappearing star might have already shed its outer hydrogen layer, explaining the absence of fireworks.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/dailygalaxy.com\/wp-content\/uploads\/2024\/11\/failed-supernova.jpg\" data-slb-active=\"1\" data-slb-asset=\"1837757133\" data-slb-internal=\"0\" data-slb-group=\"70835\"><img loading=\"lazy\" decoding=\"async\" width=\"680\" height=\"383\" alt=\"\" class=\"wp-image-70838\" style=\"width:792px;height:auto\" srcset=\"https:\/\/dailygalaxy.com\/wp-content\/uploads\/2024\/11\/failed-supernova.jpg 680w, https:\/\/dailygalaxy.com\/wp-content\/uploads\/2024\/11\/failed-supernova-380x214.jpg 380w, https:\/\/dailygalaxy.com\/wp-content\/uploads\/2024\/11\/failed-supernova-520x293.jpg 520w\" data-lazy-sizes=\"(max-width: 680px) 100vw, 680px\" src=\"https:\/\/dailygalaxy.com\/wp-content\/uploads\/2024\/11\/failed-supernova.jpg\"\/><img loading=\"lazy\" decoding=\"async\" width=\"680\" height=\"383\" src=\"https:\/\/dailygalaxy.com\/wp-content\/uploads\/2024\/11\/failed-supernova.jpg\" alt=\"\" class=\"wp-image-70838\" style=\"width:792px;height:auto\" srcset=\"https:\/\/dailygalaxy.com\/wp-content\/uploads\/2024\/11\/failed-supernova.jpg 680w, https:\/\/dailygalaxy.com\/wp-content\/uploads\/2024\/11\/failed-supernova-380x214.jpg 380w, https:\/\/dailygalaxy.com\/wp-content\/uploads\/2024\/11\/failed-supernova-520x293.jpg 520w\" sizes=\"auto, (max-width: 680px) 100vw, 680px\"\/><\/a><figcaption class=\"wp-element-caption\">During a failed supernova, a star dies without producing an explosion (illustration). Once the star\u2019s core has collapsed into a black hole, the star\u2019s remaining matter falls into the black hole (centre), producing a glow of infrared light.<\/figcaption><\/figure>\n<\/div>\n<h2 class=\"wp-block-heading\">Could this Really Be the Birth of a Black Hole?<\/h2>\n<p>If proven, this \u201cfailed supernova\u201d discovery would be groundbreaking. Detecting the quiet birth of a black hole in real time would be an unprecedented achievement in astronomy, transforming our understanding of star death. <strong>Christopher Kochanek<\/strong> from <strong>Ohio State University<\/strong> notes that witnessing a failed supernova may be our best shot at observing a black hole forming, providing an essential piece of the cosmic puzzle.<\/p>\n<p>Yet, skepticism persists. Similar past events have turned out to be <strong>cosmic dust clouds<\/strong>, hiding stars rather than marking their death. The <strong>infrared glow<\/strong> detected from the vanished star further complicates things\u2014was it the last breath of a dying star, or could it be dust or even the merging of two stars?<\/p>\n<h2 class=\"wp-block-heading\">The Quest for Proof Continues<\/h2>\n<p>To nail down this celestial mystery, scientists are turning to cutting-edge technology, especially the <strong>James Webb Space Telescope (JWST)<\/strong>. Follow-up observations with JWST have already helped confirm infrared signatures from past suspected failed supernovas. If these signs hold steady, they may indeed point to a black hole being born. However, if the glow fades, it could just be the remnants of colliding stars or other cosmic clutter.<\/p>\n<p>The methods scientists are using to confirm a failed supernova include:<\/p>\n<ul class=\"wp-block-list\">\n<li><strong>Infrared Observations<\/strong>: Detecting residual glow that could indicate matter falling into a black hole.<\/li>\n<li><strong>X-ray Scanning<\/strong>: Checking for X-ray emissions that suggest a black hole consuming material.<\/li>\n<li><strong>Dust Analysis<\/strong>: Differentiating between dust clouds and genuine supernova events.<\/li>\n<li><strong>Light Variability Tracking<\/strong>: Monitoring for any shifts in light that could signal activity, or lack thereof, around the vanished star.<\/li>\n<\/ul>\n<p>Astrophysicist <strong>Griffin Hosseinzadeh<\/strong> from <strong>University of California, San Diego<\/strong> echoes the ongoing challenge: \u201cWith the sparse observations that we have \u2026 it\u2019s very difficult to tell the difference.\u201d<\/p>\n<p><!-- CONTENT END 1 -->\n<\/div>\n<p><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-3711241968723425\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-layout-key=\"-fb+5w+4e-db+86\"\r\n     data-ad-client=\"ca-pub-3711241968723425\"\r\n     data-ad-slot=\"7910942971\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><br \/>\n<br \/><div data-type=\"_mgwidget\" data-widget-id=\"1660802\">\r\n<\/div>\r\n<script>(function(w,q){w[q]=w[q]||[];w[q].push([\"_mgc.load\"])})(window,\"_mgq\");\r\n<\/script>\r\n<br \/>\n<br \/><a href=\"https:\/\/dailygalaxy.com\/2024\/11\/stars-quiet-exit-hide-newborn-black-hole\/\">Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A star that seemed to vanish from the Andromeda Galaxy could be the first-ever detected \u201cfailed supernova,\u201d signaling a quiet but profound cosmic death that might be the birthplace of &hellip; <a href=\"https:\/\/hotvideos24.online\/?p=123581\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8628],"tags":[],"class_list":["post-123581","post","type-post","status-publish","format-standard","hentry","category-science","entry"],"_links":{"self":[{"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/posts\/123581","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=123581"}],"version-history":[{"count":0,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=\/wp\/v2\/posts\/123581\/revisions"}],"wp:attachment":[{"href":"https:\/\/hotvideos24.online\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=123581"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=123581"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hotvideos24.online\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=123581"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}