{"id":91717,"date":"2025-06-01T11:04:12","date_gmt":"2025-06-01T11:04:12","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=91717"},"modified":"2025-06-01T11:04:12","modified_gmt":"2025-06-01T11:04:12","slug":"recently-scientists-observed-the-merger-of-giant-blackholes-billion","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/recently-scientists-observed-the-merger-of-giant-blackholes-billion\/","title":{"rendered":"Recently, scientists observed the merger of giant &#8216;blackholes&#8217; billion"},"content":{"rendered":"<p>Recently, scientists observed the merger of giant &#8216;blackholes&#8217; billions of lightyears away from the Earth. What is the significance of this observation?<\/p>\n<p>[amp_mcq option1=&#8221;Higgs boson particles&#8217; were detected.&#8221; option2=&#8221;&#8216;Gravitational waves&#8217; were detected.&#8221; option3=&#8221;Possibility of inter-galactic space travel through &#8216;wormhole&#8217; was confirmed.&#8221; option4=&#8221;It enabled the scientists to understand &#8216;singularity&#8217;.&#8221; correct=&#8221;option2&#8243;]<\/p>\n<div class=\"psc-box-pyq-exam-year-detail\">\n<div class=\"pyq-exam\">\n<div class=\"psc-heading\">This question was previously asked in<\/div>\n<div class=\"psc-title line-ellipsis\">UPSC IAS &#8211; 2019<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-ias-2019.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-ias-2019\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nThe correct option is B. The observation of the merger of giant black holes billions of lightyears away from Earth led to the first direct detection of gravitational waves.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nGravitational waves are ripples in the fabric of spacetime caused by accelerating massive objects. Highly energetic events like the merger of black holes or neutron stars are strong sources of gravitational waves.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nThe LIGO and Virgo collaborations detected the first direct evidence of gravitational waves in 2015 (event GW150914), which originated from the merger of two black holes. This observation was a landmark discovery, confirming a major prediction of Einstein&#8217;s general theory of relativity and opening a new window for observing the universe through gravitational wave astronomy.<br \/>\nA) Higgs boson particles were detected at the Large Hadron Collider (LHC) at CERN, which is unrelated to black hole mergers.<br \/>\nC) While black holes and general relativity are related to the concept of wormholes, the detection of gravitational waves from a merger does not confirm the possibility of inter-galactic space travel through wormholes.<br \/>\nD) Observing black hole mergers and the resulting gravitational waves provides insights into the nature of gravity in extreme conditions, but it does not directly enable scientists to understand the singularity at the heart of a black hole, which remains a theoretical concept under current physics.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Recently, scientists observed the merger of giant &#8216;blackholes&#8217; billions of lightyears away from the Earth. What is the significance of this observation? [amp_mcq option1=&#8221;Higgs boson particles&#8217; were detected.&#8221; option2=&#8221;&#8216;Gravitational waves&#8217; were detected.&#8221; option3=&#8221;Possibility of inter-galactic space travel through &#8216;wormhole&#8217; was confirmed.&#8221; option4=&#8221;It enabled the scientists to understand &#8216;singularity&#8217;.&#8221; correct=&#8221;option2&#8243;] This question was previously asked in &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Recently, scientists observed the merger of giant &#8216;blackholes&#8217; billion\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/recently-scientists-observed-the-merger-of-giant-blackholes-billion\/#more-91717\">Detailed Solution<span class=\"screen-reader-text\">Recently, scientists observed the merger of giant &#8216;blackholes&#8217; billion<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1092],"tags":[1119,1128,1435],"class_list":["post-91717","post","type-post","status-publish","format-standard","hentry","category-upsc-ias","tag-1119","tag-physics","tag-space","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Recently, scientists observed the merger of giant &#039;blackholes&#039; billion<\/title>\n<meta name=\"description\" content=\"The correct option is B. The observation of the merger of giant black holes billions of lightyears away from Earth led to the first direct detection of gravitational waves. Gravitational waves are ripples in the fabric of spacetime caused by accelerating massive objects. Highly energetic events like the merger of black holes or neutron stars are strong sources of gravitational waves.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/recently-scientists-observed-the-merger-of-giant-blackholes-billion\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Recently, scientists observed the merger of giant &#039;blackholes&#039; billion\" \/>\n<meta property=\"og:description\" content=\"The correct option is B. The observation of the merger of giant black holes billions of lightyears away from Earth led to the first direct detection of gravitational waves. Gravitational waves are ripples in the fabric of spacetime caused by accelerating massive objects. Highly energetic events like the merger of black holes or neutron stars are strong sources of gravitational waves.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/recently-scientists-observed-the-merger-of-giant-blackholes-billion\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T11:04:12+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Recently, scientists observed the merger of giant 'blackholes' billion","description":"The correct option is B. The observation of the merger of giant black holes billions of lightyears away from Earth led to the first direct detection of gravitational waves. Gravitational waves are ripples in the fabric of spacetime caused by accelerating massive objects. Highly energetic events like the merger of black holes or neutron stars are strong sources of gravitational waves.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/recently-scientists-observed-the-merger-of-giant-blackholes-billion\/","og_locale":"en_US","og_type":"article","og_title":"Recently, scientists observed the merger of giant 'blackholes' billion","og_description":"The correct option is B. The observation of the merger of giant black holes billions of lightyears away from Earth led to the first direct detection of gravitational waves. Gravitational waves are ripples in the fabric of spacetime caused by accelerating massive objects. Highly energetic events like the merger of black holes or neutron stars are strong sources of gravitational waves.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/recently-scientists-observed-the-merger-of-giant-blackholes-billion\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T11:04:12+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/recently-scientists-observed-the-merger-of-giant-blackholes-billion\/","url":"https:\/\/exam.pscnotes.com\/mcq\/recently-scientists-observed-the-merger-of-giant-blackholes-billion\/","name":"Recently, scientists observed the merger of giant 'blackholes' billion","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T11:04:12+00:00","dateModified":"2025-06-01T11:04:12+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The correct option is B. The observation of the merger of giant black holes billions of lightyears away from Earth led to the first direct detection of gravitational waves. Gravitational waves are ripples in the fabric of spacetime caused by accelerating massive objects. Highly energetic events like the merger of black holes or neutron stars are strong sources of gravitational waves.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/recently-scientists-observed-the-merger-of-giant-blackholes-billion\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/recently-scientists-observed-the-merger-of-giant-blackholes-billion\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/recently-scientists-observed-the-merger-of-giant-blackholes-billion\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC IAS","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-ias\/"},{"@type":"ListItem","position":3,"name":"Recently, scientists observed the merger of giant &#8216;blackholes&#8217; billion"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/91717","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=91717"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/91717\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=91717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=91717"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=91717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}