{"id":108679,"date":"2020-06-14T15:23:52","date_gmt":"2020-06-14T22:23:52","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2020\/06\/cornerstone-of-einsteins-theory-of-relativity-confirmed"},"modified":"2020-06-15T22:21:44","modified_gmt":"2020-06-16T05:21:44","slug":"cornerstone-of-einsteins-theory-of-relativity-confirmed","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2020\/06\/cornerstone-of-einsteins-theory-of-relativity-confirmed","title":{"rendered":"Cornerstone of Einstein\u2019s Theory of Relativity Confirmed"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/cornerstone-of-einsteins-theory-of-relativity-confirmed.gif\"><\/a><\/p>\n<p>An international collaboration of scientists has recorded the most accurate confirmation to date for one of the cornerstones of Einstein\u2019s theory of general relativity, \u2018the universality of free fall.\u2019<\/p>\n<p>The new research shows that the theory holds for strongly self-gravitating objects such as neutron stars. Using a radio telescope, scientists can very accurately observe the signal produced by pulsars, a type of neutron star and test the validity of Einstein\u2019s theory of gravity for these extreme objects. In particular, the team analyzed the signals from a pulsar named \u2018PSR J0337+1715\u2019 recorded by the large radio telescope of Nan\u00e7ay, located in the heart of Sologne (France).<\/p>\n<p>The universality of free fall principle states that two bodies dropped in a gravitational field undergo the very same acceleration independently of their composition. This was first demonstrated by Galileo who famously would have dropped objects of different masses from the top of Pisa\u2019s tower to verify that they both reach the ground simultaneously.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>An international collaboration of scientists has recorded the most accurate confirmation to date for one of the cornerstones of Einstein\u2019s theory of general relativity, \u2018the universality of free fall.\u2019 The new research shows that the theory holds for strongly self-gravitating objects such as neutron stars. Using a radio telescope, scientists can very accurately observe the [\u2026]<\/p>\n","protected":false},"author":396,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[219,8],"tags":[],"class_list":["post-108679","post","type-post","status-publish","format-standard","hentry","category-physics","category-space"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/108679","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/396"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=108679"}],"version-history":[{"count":1,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/108679\/revisions"}],"predecessor-version":[{"id":108736,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/108679\/revisions\/108736"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=108679"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=108679"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=108679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}