Avst\u00e5ndet till galaxen, som f\u00f6rst uppt\u00e4cktes av det franskkanadensiska teleskopmaskineriet p\u00e5 Hawaii, uppskattas till 35.2\u2009\u00b1\u20092.5\u2009Mpc . <\/p>\n\n\n\n
Str\u00f6mmen har till och med f\u00e5tt eget egennamn, efter en kall str\u00f6m i Stilla havet Oyashio. Uttalas <\/p>\n\n\n\n <\/p>\n\n\n\n Rapporten med ovansat\u00e5ende illustration \u00e5terfinns h\u00e4r.<\/a><\/p>\n\n\n\n Grattis till v\u00e5r danska astronomkollega.<\/p>\n\n\n\n Astronomer har redan f\u00e5tt nobelpris f\u00f6r utforskningen av Vintergatans massiva svarta h\u00e5l i dee centrum men det betyder inte att utforskningen ett tu tre har upph\u00f6rt. Tv\u00e4rtom fingranskas omr\u00e5det och de senaste dagarnas stor nyhet \u00e4r en artikel i Nature<\/em><\/a> som visar att den svaga huvudsekvensstj\u00e4rnan S301 (m<\/em>K<\/sub> = 19.3) r\u00f6r sig runt Sgr A* i en utdragen bana med perioden 8,7 \u00e5r med en maxhastighet p\u00e5 25,000\u2009km\u2009s\u22121<\/sup>. H\u00e4r r\u00e5der rena lekstugan f\u00f6r relativistiska fenomen.<\/p>\n\n\n\n Banexcentriciteten antyder att S301 ing\u00e5tt i ett bin\u00e4rt solsystem.<\/p>\n\n\n\n S301 uppt\u00e4cktes s\u00e5 pass nyligen som 2023.<\/p>\n\n\n\n <\/p>\n\n\n\n <\/p>\n","protected":false},"excerpt":{"rendered":" S\u00e5som i Vintergatan s\u00e5 ock i andra galaxer Stj\u00e4rnstr\u00f6mmar som st\u00f6rtar in mot Vintergatan k\u00e4nner vi till. De har f\u00f6rst nu uppt\u00e4ckts i andra vintergator\/galaxer. Str\u00f6mmarna \u00e4r bevis p\u00e5 n\u00e4rvaron av m\u00f6rk materia i galaxers halo, m\u00f6rk materia som sliter itu och drar ut stj\u00e4rninneh\u00e5llet i n\u00e4rbel\u00e4gna klotformiga stj\u00e4rnhopar. F\u00f6r f\u00f6rsta g\u00e5ngen har ett forskarlag… L\u00e4s mer »Nr 37 2026<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[3],"tags":[],"_links":{"self":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/99494"}],"collection":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/comments?post=99494"}],"version-history":[{"count":18,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/99494\/revisions"}],"predecessor-version":[{"id":99517,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/posts\/99494\/revisions\/99517"}],"wp:attachment":[{"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/media?parent=99494"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/categories?post=99494"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-json\/wp\/v2\/tags?post=99494"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![\"\"\/](\"https:\/\/media.springernature.com\/lw169\/springer-static\/image\/art%3A10.1038%2Fs41586-026-10878-w\/MediaObjects\/41586_2026_10878_Figa_HTML.png\")
<\/figure>\n\n\n\n![\"\"](\"https:\/\/www.astb.se\/cassiopeiabloggen\/wp-content\/uploads\/2026\/08\/41586_2026_10878_Fig1_HTML.webp\")
<\/a><\/figure>\n\n\n\nVintergatans snabbaste stj\u00e4rna<\/h2>\n\n\n\n