{"id":169304,"date":"2023-08-08T18:23:08","date_gmt":"2023-08-08T23:23:08","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2023\/08\/smoking-gun-evidence-for-modified-gravity-at-low-acceleration-from-gaia-observations-of-wide-binary-stars"},"modified":"2023-08-08T18:23:08","modified_gmt":"2023-08-08T23:23:08","slug":"smoking-gun-evidence-for-modified-gravity-at-low-acceleration-from-gaia-observations-of-wide-binary-stars","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2023\/08\/smoking-gun-evidence-for-modified-gravity-at-low-acceleration-from-gaia-observations-of-wide-binary-stars","title":{"rendered":"Smoking-gun evidence for modified gravity at low acceleration from Gaia observations of wide binary stars"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/smoking-gun-evidence-for-modified-gravity-at-low-acceleration-from-gaia-observations-of-wide-binary-stars3.jpg\"><\/a><\/p>\n<p>A new study reports conclusive evidence for the breakdown of standard gravity in the low acceleration limit from a verifiable analysis of the orbital motions of long-period, widely separated, binary stars, usually referred to as wide binaries in astronomy and astrophysics.<\/p>\n<p>The study carried out by Kyu-Hyun Chae, professor of physics and astronomy at Sejong University in Seoul, used up to 26,500 wide binaries within 650 <a href=\"https:\/\/phys.org\/tags\/light+years\/\" rel=\"tag\" class=\"\">light years<\/a> (LY) observed by European Space Agency\u2019s Gaia space telescope. The study was published in the 1 August 2023 issue of the Astrophysical Journal.<\/p>\n<p>For a key improvement over other studies Chae\u2019s study focused on calculating gravitational accelerations experienced by <a href=\"https:\/\/phys.org\/tags\/binary+stars\/\" rel=\"tag\" class=\"\">binary stars<\/a> as a function of their separation or, equivalently the orbital period, by a Monte Carlo deprojection of observed sky-projected motions to the three-dimensional space.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A new study reports conclusive evidence for the breakdown of standard gravity in the low acceleration limit from a verifiable analysis of the orbital motions of long-period, widely separated, binary stars, usually referred to as wide binaries in astronomy and astrophysics. The study carried out by Kyu-Hyun Chae, professor of physics and astronomy at Sejong [\u2026]<\/p>\n","protected":false},"author":661,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[219,8],"tags":[],"class_list":["post-169304","post","type-post","status-publish","format-standard","hentry","category-physics","category-space"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/169304","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\/661"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=169304"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/169304\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=169304"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=169304"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=169304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}