{"id":28174,"date":"2025-10-28T16:03:03","date_gmt":"2025-10-28T15:03:03","guid":{"rendered":"https:\/\/www.infn.it\/?p=28174"},"modified":"2025-11-07T14:38:25","modified_gmt":"2025-11-07T13:38:25","slug":"ligo-virgo-and-kagra-observe-second-generation-black-holes-for-the-first-time","status":"publish","type":"post","link":"https:\/\/www.infn.it\/en\/ligo-virgo-and-kagra-observe-second-generation-black-holes-for-the-first-time\/","title":{"rendered":"LIGO, Virgo and KAGRA observe &#8216;second generation&#8217; black holes for the first time"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"author":21,"featured_media":28068,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[336],"tags":[],"class_list":["post-28174","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-press-release-2025"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>LIGO, Virgo and KAGRA observe &#039;second generation&#039; 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