{"id":204424,"date":"2025-01-24T03:49:14","date_gmt":"2025-01-24T09:49:14","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/01\/cosmological-data-suggest-the-universe-has-become-messier-and-more-complicated"},"modified":"2025-01-24T03:49:14","modified_gmt":"2025-01-24T09:49:14","slug":"cosmological-data-suggest-the-universe-has-become-messier-and-more-complicated","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/01\/cosmological-data-suggest-the-universe-has-become-messier-and-more-complicated","title":{"rendered":"Cosmological data suggest the universe has become \u2018messier and more complicated\u2019"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/cosmological-data-suggest-the-universe-has-become-messier-and-more-complicated3.jpg\"><\/a><\/p>\n<p>Across cosmic history, powerful forces have acted on matter, reshaping the universe into an increasingly complex web of structures. Now, new research led by Joshua Kim and Mathew Madhavacheril at the University of Pennsylvania and their collaborators at Lawrence Berkeley National Laboratory suggests our universe has become \u201cmessier and more complicated\u201d over the roughly 13.8 billion years it\u2019s been around, or rather, the distribution of matter over the years is less \u201cclumpy\u201d than it should be expected.<\/p>\n<p>\u201cOur work cross-correlated two types of datasets from complementary, but very distinct, surveys,\u201d says Madhavacheril, \u201cand what we found was that, for the most part, the story of structure formation is remarkably consistent with the predictions from Einstein\u2019s gravity. We did see a hint for a small discrepancy in the amount of expected clumpiness in recent epochs, around four billion years ago, which could be interesting to pursue.\u201d<\/p>\n<p>The data, which was published in the <a href=\"https:\/\/stats.iop.org\/article\/10.1088\/1475-7516\/2024\/12\/022\" target=\"_blank\"><i>Journal of Cosmology and Astroparticle Physics<\/i><\/a> and the preprint server <i>arXiv<\/i>, comes from the Atacama Cosmology Telescope\u2019s (ACT) final data release (DR6) and the Dark Energy Spectroscopic Instrument\u2019s (DESI) Year 1.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Across cosmic history, powerful forces have acted on matter, reshaping the universe into an increasingly complex web of structures. Now, new research led by Joshua Kim and Mathew Madhavacheril at the University of Pennsylvania and their collaborators at Lawrence Berkeley National Laboratory suggests our universe has become \u201cmessier and more complicated\u201d over the roughly 13.8 [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,219],"tags":[],"class_list":["post-204424","post","type-post","status-publish","format-standard","hentry","category-cosmology","category-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/204424","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=204424"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/204424\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=204424"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=204424"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=204424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}