{"id":203276,"date":"2025-01-07T11:39:28","date_gmt":"2025-01-07T17:39:28","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/01\/physicists-explain-a-stellar-streams-distinctive-features"},"modified":"2025-01-07T11:39:28","modified_gmt":"2025-01-07T17:39:28","slug":"physicists-explain-a-stellar-streams-distinctive-features","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/01\/physicists-explain-a-stellar-streams-distinctive-features","title":{"rendered":"Physicists explain a stellar stream\u2019s distinctive features"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/physicists-explain-a-stellar-streams-distinctive-features2.jpg\"><\/a><\/p>\n<p>Physicists have proposed a solution to a long-standing puzzle surrounding the GD-1 stellar stream, one of the most well-studied streams within the galactic halo of the Milky Way, known for its long, thin structure, and unusual spur and gap features.<\/p>\n<p>The team of researchers, led by Hai-Bo Yu at the University of California, Riverside, proposed that a core-collapsing self-interacting <a href=\"https:\/\/phys.org\/tags\/dark+matter\/\" rel=\"tag\" class=\"\">dark matter<\/a> (SIDM) \u201csubhalo\u201d \u2014 a smaller, satellite halo within the galactic halo \u2014 is responsible for the peculiar spur and gap features observed in the GD-1 stellar stream.<\/p>\n<p><a href=\"https:\/\/iopscience.iop.org\/article\/10.3847\/2041-8213\/ada02b\" target=\"_blank\">Study results<\/a> appear in <i>The Astrophysical Journal Letters<\/i> in a paper titled \u201cThe GD-1 Stellar Stream Perturber as a Core-collapsed Self-interacting Dark Matter Halo.\u201d The research could have significant implications for understanding the properties of dark matter in the universe.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Physicists have proposed a solution to a long-standing puzzle surrounding the GD-1 stellar stream, one of the most well-studied streams within the galactic halo of the Milky Way, known for its long, thin structure, and unusual spur and gap features. The team of researchers, led by Hai-Bo Yu at the University of California, Riverside, proposed [\u2026]<\/p>\n","protected":false},"author":396,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,219],"tags":[],"class_list":["post-203276","post","type-post","status-publish","format-standard","hentry","category-cosmology","category-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/203276","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=203276"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/203276\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=203276"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=203276"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=203276"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}