{"id":325832,"date":"2025-02-05T17:47:25","date_gmt":"2025-02-05T12:17:25","guid":{"rendered":"https:\/\/forumias.com\/blog\/?p=325832"},"modified":"2025-02-06T19:45:14","modified_gmt":"2025-02-06T14:15:14","slug":"discovery-of-nearby-black-holes","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/discovery-of-nearby-black-holes\/","title":{"rendered":"Discovery of Nearby Black Holes"},"content":{"rendered":"<p><b>News: <\/b><span style=\"font-weight: 400;\">The discovery of Gaia BH3, a massive stellar black hole, has gained significant attention due to its scientific importance, uniqueness, and implications for astrophysics.<\/span><\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\" wp-image-326002 aligncenter\" src=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/02\/Discovery-of-Nearby-Black-Holes.png?resize=727%2C482&#038;ssl=1\" alt=\"Discovery of Nearby Black Holes\" width=\"727\" height=\"482\" srcset=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/02\/Discovery-of-Nearby-Black-Holes.png?resize=300%2C199&amp;ssl=1 300w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/02\/Discovery-of-Nearby-Black-Holes.png?resize=1024%2C680&amp;ssl=1 1024w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/02\/Discovery-of-Nearby-Black-Holes.png?resize=768%2C510&amp;ssl=1 768w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/02\/Discovery-of-Nearby-Black-Holes.png?w=1280&amp;ssl=1 1280w\" sizes=\"auto, (max-width: 727px) 100vw, 727px\" \/><\/p>\n<h2><b>About Gaia BH1\u00a0<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\"><b>It was detected in June 2022<\/b><span style=\"font-weight: 400;\"> in Gaia\u2019s third dataset.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">It was found through a star\u2019s <\/span><b>rapid motion around an invisible mass<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Mass: <\/span><b>9 times that of the Sun<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Distance: <\/span><b>1,560 light-years from Earth<\/b><span style=\"font-weight: 400;\"> (1.4% of the Milky Way\u2019s width).<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">\u00a0<\/span><b>About Gaia BH2\u00a0<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\"><b>It was discovered in August 2022<\/b><span style=\"font-weight: 400;\">, announced in early 2023.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Similar in mass (<\/span><b>9 solar masses<\/b><span style=\"font-weight: 400;\">) and detection method to BH1.<\/span><\/li>\n<\/ul>\n<h2><strong>About Gaia BH3\u00a0<\/strong><\/h2>\n<ul>\n<li style=\"font-weight: 400;\"><b>It was discovered in July 2023<\/b><span style=\"font-weight: 400;\"> by Paris Observatory astrophysicist Pasquale Panuzzo.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">It is the largest <\/span><b>stellar-mass black hole<\/b><span style=\"font-weight: 400;\"> in the Milky Way.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Mass: <\/span><b>33 solar masses<\/b><span style=\"font-weight: 400;\">, surpassing Cygnus X-1 (previous record-holder) by 12 solar masses.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Distance: <\/span><b>2,000 light-years away<\/b><span style=\"font-weight: 400;\">, located in the <\/span><b>constellation Aquila<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Unlike BH1 and BH2, <\/span><b>it orbits a yellow giant star every 11.6 years<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<h2><b>Scientific Significance of Gaia BH3<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">It is the first <\/span><b>outer Milky Way<\/b><span style=\"font-weight: 400;\"> black hole was detected.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">It is a <\/span><b>passive black hole<\/b><span style=\"font-weight: 400;\">, meaning it does not actively consume nearby material or emit X-rays.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">The star orbiting BH3 is <\/span><b>very old<\/b><span style=\"font-weight: 400;\">, suggesting that massive black holes like BH3 formed <\/span><b>early in the universe<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Comparable to black holes detected in <\/span><b>gravitational wave experiments<\/b><span style=\"font-weight: 400;\"> by LIGO and VIRGO in 2015, which were located billions of light-years away.<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>News: The discovery of Gaia BH3, a massive stellar black hole, has gained significant attention due to its scientific importance, uniqueness, and implications for astrophysics. About Gaia BH1\u00a0 It was detected in June 2022 in Gaia\u2019s third dataset. It was found through a star\u2019s rapid motion around an invisible mass. Mass: 9 times that of&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/discovery-of-nearby-black-holes\/\">Continue reading <span class=\"screen-reader-text\">Discovery of Nearby Black Holes<\/span><\/a><\/p>\n","protected":false},"author":10366,"featured_media":326002,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,1738,12039],"tags":[11872,10498],"class_list":["post-325832","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-daily-factly-articles","category-science-and-technology-daily-factly-articles","category-knolls","tag-9pm-daily-factly","tag-the-hindu","entry"],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2025\/02\/Discovery-of-Nearby-Black-Holes.png?fit=1280%2C850&ssl=1","views":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/325832","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10366"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=325832"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/325832\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media\/326002"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=325832"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=325832"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=325832"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}