{"id":141589,"date":"2022-07-02T21:27:28","date_gmt":"2022-07-03T02:27:28","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2022\/07\/unusual-fossil-galaxy-discovered-on-outskirts-of-andromeda-could-reveal-history-of-the-universe"},"modified":"2022-07-02T21:27:28","modified_gmt":"2022-07-03T02:27:28","slug":"unusual-fossil-galaxy-discovered-on-outskirts-of-andromeda-could-reveal-history-of-the-universe","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2022\/07\/unusual-fossil-galaxy-discovered-on-outskirts-of-andromeda-could-reveal-history-of-the-universe","title":{"rendered":"Unusual Fossil Galaxy Discovered on Outskirts of Andromeda \u2014 Could Reveal History of the Universe"},"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\/v_BfGQGCbnU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope;\n   picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p><em>A unique ultra-faint dwarf galaxy has been discovered on the outer fringes of the Andromeda Galaxy thanks to the discerning eyes of an amateur astronomer examining archival data processed by NSF\u2019s NOIRLab\u2019s Community Science and Data Center. The dwarf galaxy \u2014 Pegasus V \u2014 was revealed to contain very few heavier elements and is likely to be a fossil of the first galaxies in f<\/em><em>ollow-up observations by professional astronomers using the International Gemini Observatory, a Program of NSF\u2019s NOIRLab.<\/p>\n<p>An unusual ultra-faint dwarf galaxy has been discovered on the edge of the Andromeda Galaxy with the help of several facilities of NSF\u2019s NOIRLab. Called Pegasus V, the galaxy was first detected as part of a systematic search for Andromeda dwarfs coordinated by David Martinez-Delgado from the Instituto de Astrof\u00edsica de Andaluc\u00eda, Spain, when amateur astronomer Giuseppe Donatiello discovered a curious \u2018smudge\u2019 in data in a DESI<\/p>\n<p>The Dark Energy Spectroscopic Instrument (DESI) is a new instrument for conducting a spectrographic survey of distant galaxies that has been retrofitted onto the Mayall Telescope on top of Kitt Peak in the Sonoran Desert 55 miles distant from Tucson, Arizona. Its main components are a focal plane containing 5,000 fiber-positioning robots and a bank of spectrographs which are fed by the fibers. It enables an experiment to probe the expansion history of the Universe and the mysterious physics of dark energy.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A unique ultra-faint dwarf galaxy has been discovered on the outer fringes of the Andromeda Galaxy thanks to the discerning eyes of an amateur astronomer examining archival data processed by NSF\u2019s NOIRLab\u2019s Community Science and Data Center. The dwarf galaxy \u2014 Pegasus V \u2014 was revealed to contain very few heavier elements and is likely [\u2026]<\/p>\n","protected":false},"author":662,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,219,6],"tags":[],"class_list":["post-141589","post","type-post","status-publish","format-standard","hentry","category-cosmology","category-physics","category-robotics-ai"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/141589","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\/662"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=141589"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/141589\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=141589"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=141589"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=141589"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}