{"id":4016,"date":"2016-02-11T17:06:00","date_gmt":"2016-02-11T16:06:00","guid":{"rendered":"https:\/\/www.oa-cagliari.inaf.it\/we-did-it-gravitational-waves-revealed\/"},"modified":"2016-02-11T17:06:00","modified_gmt":"2016-02-11T16:06:00","slug":"we-did-it-gravitational-waves-revealed","status":"publish","type":"post","link":"https:\/\/www.oa-cagliari.inaf.it\/en\/we-did-it-gravitational-waves-revealed\/","title":{"rendered":"We did it! Gravitational waves revealed"},"content":{"rendered":"<p><strong>&#8220;We have detected gravitational waves. We did it <\/strong>&#8220;.<br \/>\nGravitational waves are real.<\/p>\n<p>It&#8217;s the news of the day, but also the discovery of the century: the LIGO experiment (Laser Interferometer Gravitational-Wave Observatory) has made the first direct observation of gravitational waves.<\/p>\n<p>Announcing it directly, without preamble, was <strong>David Reize<\/strong>, executive director of the LIGO experiment.<br \/>\nThe faint signal detected by LIGO was produced by a colliding system of two black holes, about 1.3 billion light-years away, with a mass 30 times that of the Sun.<\/p>\n<p>The signal, first detected by the LIGO interferometer in Louisiana last September, needed time to be confirmed. But it was worth the wait. <\/p>\n<p>Explaining the importance of the discovery was <strong>Kip Thorne<\/strong>, one of the world&#8217;s leading experts on the theory of general relativity, now also known to the general public as the film Interstellar is based on his theories.<\/p>\n<p>Not only do we have direct proof of the existence of gravitational waves, but also of black holes. Although predicted by theory, a colliding system (merger) of two massive black holes had never been observed before. <\/p>\n<p>Here&#8217;s a link to an interesting video on gravitational waves produced by PHD Comics.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>It&#8217;s confirmed, gravitational waves have been detected. The discovery was just announced during the press conference held by the LIGO collaboration in Washington. <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[134],"tags":[],"class_list":["post-4016","post","type-post","status-publish","format-standard","hentry","category-research"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.oa-cagliari.inaf.it\/en\/wp-json\/wp\/v2\/posts\/4016","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oa-cagliari.inaf.it\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oa-cagliari.inaf.it\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oa-cagliari.inaf.it\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oa-cagliari.inaf.it\/en\/wp-json\/wp\/v2\/comments?post=4016"}],"version-history":[{"count":0,"href":"https:\/\/www.oa-cagliari.inaf.it\/en\/wp-json\/wp\/v2\/posts\/4016\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.oa-cagliari.inaf.it\/en\/wp-json\/wp\/v2\/media?parent=4016"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oa-cagliari.inaf.it\/en\/wp-json\/wp\/v2\/categories?post=4016"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oa-cagliari.inaf.it\/en\/wp-json\/wp\/v2\/tags?post=4016"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}