{"id":195432,"date":"2024-08-30T04:25:30","date_gmt":"2024-08-30T09:25:30","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2024\/08\/using-atomic-excitations-to-measure-the-rotation-of-spacetime"},"modified":"2024-08-30T04:25:30","modified_gmt":"2024-08-30T09:25:30","slug":"using-atomic-excitations-to-measure-the-rotation-of-spacetime","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2024\/08\/using-atomic-excitations-to-measure-the-rotation-of-spacetime","title":{"rendered":"Using atomic excitations to measure the rotation of spacetime"},"content":{"rendered":"<p><\/p>\n<p><iframe style=\"display: block; margin: 0 auto; width: 100%; aspect-ratio: 4\/3; object-fit: contain;\" src=\"https:\/\/www.youtube.com\/embed\/GOb3MCAg9zM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope;\n   picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>How would atoms behave near a supermassive object? We know how atoms behave in extremely weak gravity like that at the Earth\u2019s surface: They can be excited from a lower energy level to a higher one when an electron absorbs a photon or a nucleus absorbs a gamma ray, and so on. But what if the atom is in a strong gravitational field such as one near a supermassive, rotating black hole or rotating neutron star?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>How would atoms behave near a supermassive object? We know how atoms behave in extremely weak gravity like that at the Earth\u2019s surface: They can be excited from a lower energy level to a higher one when an electron absorbs a photon or a nucleus absorbs a gamma ray, and so on. But what if [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,48],"tags":[],"class_list":["post-195432","post","type-post","status-publish","format-standard","hentry","category-cosmology","category-particle-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/195432","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\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=195432"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/195432\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=195432"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=195432"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=195432"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}