{"id":225755,"date":"2025-11-24T04:04:43","date_gmt":"2025-11-24T10:04:43","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/11\/endings-and-beginnings-atacama-cosmology-telescope-releases-its-final-data-shaping-the-future-of-cosmology"},"modified":"2025-11-24T04:04:43","modified_gmt":"2025-11-24T10:04:43","slug":"endings-and-beginnings-atacama-cosmology-telescope-releases-its-final-data-shaping-the-future-of-cosmology","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/11\/endings-and-beginnings-atacama-cosmology-telescope-releases-its-final-data-shaping-the-future-of-cosmology","title":{"rendered":"Endings and beginnings: Atacama Cosmology Telescope releases its final data, shaping the future of cosmology"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/endings-and-beginnings-atacama-cosmology-telescope-releases-its-final-data-shaping-the-future-of-cosmology.jpg\"><\/a><\/p>\n<p>There\u2019s always a touch of melancholy when a chapter that has absorbed years of work comes to an end. In the case of the Atacama Cosmology Telescope (ACT), those years amount to nearly 20\u2014and now the telescope has completed its mission. Yet some endings are also important beginnings, opening new paths for the entire scientific community.<\/p>\n<p>The three papers published in the <i>Journal of Cosmology and Astroparticle Physics<\/i> by the ACT Collaboration describe and contextualize in detail the sixth and final major ACT data release\u2014perhaps the most important one\u2014marking significant advances in our understanding of the universe\u2019s evolution and its current state.<\/p>\n<p>ACT\u2019s data clarify several key points: the measurement of the Hubble constant (the number that indicates the current rate of cosmic expansion\u2014the universe\u2019s \u201cspeedometer\u201d) obtained from observations at very large cosmological distances is confirmed, and it remains markedly different from the value derived from the nearby universe. This is both a problem and a remarkable discovery: it confirms the so-called \u201cHubble tension,\u201d which challenges the model we use to describe the cosmos.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>There\u2019s always a touch of melancholy when a chapter that has absorbed years of work comes to an end. In the case of the Atacama Cosmology Telescope (ACT), those years amount to nearly 20\u2014and now the telescope has completed its mission. Yet some endings are also important beginnings, opening new paths for the entire scientific [\u2026]<\/p>\n","protected":false},"author":396,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,385,219],"tags":[],"class_list":["post-225755","post","type-post","status-publish","format-standard","hentry","category-cosmology","category-evolution","category-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/225755","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=225755"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/225755\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=225755"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=225755"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=225755"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}