{"id":6157,"date":"2025-03-23T18:09:37","date_gmt":"2025-03-23T17:09:37","guid":{"rendered":"https:\/\/brera.inaf.it\/?p=6157"},"modified":"2025-03-23T18:15:21","modified_gmt":"2025-03-23T17:15:21","slug":"building-the-largest-map-of-the-cosmos-media-inaf","status":"publish","type":"post","link":"https:\/\/brera.inaf.it\/en\/building-the-largest-map-of-the-cosmos-media-inaf\/","title":{"rendered":"Dark Energy Is Changing. Desi Says &#8211; Media INAF"},"content":{"rendered":"\n<p>The Dark Energy Spectroscopic Instrument (Desi) has used data from millions of galaxies and quasars to build the largest 3D map of the universe. From the results of an analysis conducted by combining observations from the first three years of Desi with those of other experiments, clues emerge that suggest that the impact of dark energy is weakening over time.<\/p>\n\n\n\n<p>The article concerns the first results of the DESI spectroscopic survey in which Davide Bianchi, astrophysicist at the University of Milan and former PhD student in Merate many years ago (and now associated with INAF-OABrera), the only Italian in the collaboration, is giving significant contributions<\/p>\n\n\n\n<p><a href=\"https:\/\/www.media.inaf.it\/2025\/03\/20\/energia-oscura-cambia-desi\/\" target=\"_blank\" rel=\"noreferrer noopener\">Read the full story on Media INAF<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"652\" height=\"370\" src=\"https:\/\/brera.inaf.it\/wp-content\/uploads\/2025\/03\/energia-oscura-DESI-20-03-2025-ENG.png\" alt=\"Desi has produced the largest 3D map of the universe and is using it to study dark energy. Credits: Desi collaboration, Koon\/NoirLab\/Nsg\/Aura\/R. Proctor\" class=\"wp-image-6163\"\/><figcaption class=\"wp-element-caption\">Desi has produced the largest 3D map of the universe and is using it to study dark energy. In the animation at the link: https:\/\/www.youtube.com\/watch?v=VzIOSCm5fNU, the Earth is at the center and each point is a galaxy Credits: Desi collaboration, Koon\/NoirLab\/Nsg\/Aura\/R. Proctor<\/figcaption><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Dark Energy Spectroscopic Instrument (Desi) has used data from millions of galaxies and quasars to build the largest 3D map of the universe. From the results of an analysis conducted by combining observations from the first three years of Desi with those of other experiments, clues emerge that suggest that the impact of dark [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6163,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,30],"tags":[510,509],"class_list":["post-6157","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-en","category-scientific-news","tag-davide-bianchi-2","tag-desi-spectroscopic-instrument"],"blocksy_meta":[],"featured_image_urls":{"full":["https:\/\/brera.inaf.it\/wp-content\/uploads\/2025\/03\/energia-oscura-DESI-20-03-2025-ENG.png",652,370,false],"thumbnail":["https:\/\/brera.inaf.it\/wp-content\/uploads\/2025\/03\/energia-oscura-DESI-20-03-2025-ENG.png",150,85,false],"medium":["https:\/\/brera.inaf.it\/wp-content\/uploads\/2025\/03\/energia-oscura-DESI-20-03-2025-ENG.png",300,170,false],"medium_large":["https:\/\/brera.inaf.it\/wp-content\/uploads\/2025\/03\/energia-oscura-DESI-20-03-2025-ENG.png",652,370,false],"large":["https:\/\/brera.inaf.it\/wp-content\/uploads\/2025\/03\/energia-oscura-DESI-20-03-2025-ENG.png",652,370,false],"1536x1536":["https:\/\/brera.inaf.it\/wp-content\/uploads\/2025\/03\/energia-oscura-DESI-20-03-2025-ENG.png",652,370,false],"2048x2048":["https:\/\/brera.inaf.it\/wp-content\/uploads\/2025\/03\/energia-oscura-DESI-20-03-2025-ENG.png",652,370,false]},"post_excerpt_stackable":"<p>The Dark Energy Spectroscopic Instrument (Desi) has used data from millions of galaxies and quasars to build the largest 3D map of the universe. From the results of an analysis conducted by combining observations from the first three years of Desi with those of other experiments, clues emerge that suggest that the impact of dark energy is weakening over time. The article concerns the first results of the DESI spectroscopic survey in which Davide Bianchi, astrophysicist at the University of Milan and former PhD student in Merate many years ago (and now associated with INAF-OABrera), the only Italian in the&hellip;<\/p>\n","category_list":"<a href=\"https:\/\/brera.inaf.it\/en\/category\/news-en\/\" rel=\"category tag\">News<\/a>, <a href=\"https:\/\/brera.inaf.it\/en\/category\/news-en\/scientific-news\/\" rel=\"category tag\">Scientific news<\/a>","author_info":{"name":"Maria Rosa Panzera","url":"https:\/\/brera.inaf.it\/en\/author\/maria-rosa-panzera\/"},"comments_num":"0 comments","_links":{"self":[{"href":"https:\/\/brera.inaf.it\/en\/wp-json\/wp\/v2\/posts\/6157","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/brera.inaf.it\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/brera.inaf.it\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/brera.inaf.it\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/brera.inaf.it\/en\/wp-json\/wp\/v2\/comments?post=6157"}],"version-history":[{"count":3,"href":"https:\/\/brera.inaf.it\/en\/wp-json\/wp\/v2\/posts\/6157\/revisions"}],"predecessor-version":[{"id":6166,"href":"https:\/\/brera.inaf.it\/en\/wp-json\/wp\/v2\/posts\/6157\/revisions\/6166"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/brera.inaf.it\/en\/wp-json\/wp\/v2\/media\/6163"}],"wp:attachment":[{"href":"https:\/\/brera.inaf.it\/en\/wp-json\/wp\/v2\/media?parent=6157"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/brera.inaf.it\/en\/wp-json\/wp\/v2\/categories?post=6157"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/brera.inaf.it\/en\/wp-json\/wp\/v2\/tags?post=6157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}