{"id":221943,"date":"2025-09-16T03:24:56","date_gmt":"2025-09-16T08:24:56","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/09\/mapping-the-universe-faster-and-with-the-same-accuracy"},"modified":"2025-09-16T03:24:56","modified_gmt":"2025-09-16T08:24:56","slug":"mapping-the-universe-faster-and-with-the-same-accuracy","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/09\/mapping-the-universe-faster-and-with-the-same-accuracy","title":{"rendered":"Mapping the universe, faster and with the same accuracy"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/mapping-the-universe-faster-and-with-the-same-accuracy.jpg\"><\/a><\/p>\n<p>If you think a galaxy is big, compare it to the size of the universe: it\u2019s just a tiny dot which, together with a huge number of other tiny dots, forms clusters that aggregate into superclusters, which in turn weave into filaments threaded with voids\u2014an immense 3D skeleton of our universe.<\/p>\n<p>If that gives you vertigo and you\u2019re wondering how one can understand or even \u201csee\u201d something so vast, the answer is: it isn\u2019t easy. Scientists combine the physics of the universe with data from astronomical instruments and build <a href=\"https:\/\/phys.org\/tags\/theoretical+models\/\" rel=\"tag\" class=\"\">theoretical models<\/a>, such as EFTofLSS (Effective Field Theory of Large-Scale Structure). Fed with observations, these models describe the \u201ccosmic web\u201d statistically and allow its key parameters to be estimated.<\/p>\n<p>Models like EFTofLSS, however, demand a lot of time and computing resources. Since the astronomical datasets at our disposal are growing exponentially, we need ways to lighten the analysis without losing precision. This is why emulators exist: they \u201cimitate\u201d how the models respond, but operate much faster.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>If you think a galaxy is big, compare it to the size of the universe: it\u2019s just a tiny dot which, together with a huge number of other tiny dots, forms clusters that aggregate into superclusters, which in turn weave into filaments threaded with voids\u2014an immense 3D skeleton of our universe. If that gives you [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1523,1965,219,8],"tags":[],"class_list":["post-221943","post","type-post","status-publish","format-standard","hentry","category-computing","category-mapping","category-physics","category-space"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/221943","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=221943"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/221943\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=221943"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=221943"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=221943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}