{"id":242651,"date":"2026-08-13T07:05:00","date_gmt":"2026-08-13T12:05:00","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/08\/stellar-stream-beyond-milky-way-offers-new-tool-to-map-dark-matter"},"modified":"2026-08-13T07:05:00","modified_gmt":"2026-08-13T12:05:00","slug":"stellar-stream-beyond-milky-way-offers-new-tool-to-map-dark-matter","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/08\/stellar-stream-beyond-milky-way-offers-new-tool-to-map-dark-matter","title":{"rendered":"Stellar stream beyond Milky Way offers new tool to map dark matter"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/stellar-stream-beyond-milky-way-offers-new-tool-to-map-dark-matter.jpg\"><\/a><\/p>\n<p>In the image above, a faint trail of stars can be seen stretching across the galaxy. These structures, known as globular cluster stellar streams, are coherent stellar structures that retain a record of their dynamical history and can provide unique insights into the evolution of galaxies and the nature of dark matter.<\/p>\n<p>Globular cluster stellar streams offer astronomers a unique opportunity to map otherwise invisible dark matter and study how it behaves. For many years, they have been difficult to observe because they are extremely faint. However, advances in <a href=\"https:\/\/phys.org\/news\/2025-10-astronomers-dozens-stellar-streams-gaia.html?utm_source=embeddings&utm_medium=related&utm_campaign=internal\" rel=\"related\">large astronomical data sets<\/a> and sophisticated analysis techniques have recently made stellar streams one of the most promising tools in galactic astronomy.<\/p>\n<p>Now, Ph.D. student Julie Kiel Holm from the Niels Bohr Institute and associate professor Sarah Pearson from DTU Space, together with an international team of researchers, have made a discovery that has never been seen before. Their findings have just been published in Nature.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the image above, a faint trail of stars can be seen stretching across the galaxy. These structures, known as globular cluster stellar streams, are coherent stellar structures that retain a record of their dynamical history and can provide unique insights into the evolution of galaxies and the nature of dark matter. Globular cluster stellar [\u2026]<\/p>\n","protected":false},"author":662,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,385],"tags":[],"class_list":["post-242651","post","type-post","status-publish","format-standard","hentry","category-cosmology","category-evolution"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/242651","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=242651"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/242651\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=242651"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=242651"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=242651"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}