{"id":303643,"date":"2026-07-13T01:24:12","date_gmt":"2026-07-13T01:24:12","guid":{"rendered":"https:\/\/www.europesays.com\/se\/303643\/"},"modified":"2026-07-13T01:24:12","modified_gmt":"2026-07-13T01:24:12","slug":"james-webb-rymdteleskopet-visar-en-slaende-bild-av-centaurus-a","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/se\/303643\/","title":{"rendered":"James Webb-rymdteleskopet visar en sl\u00e5ende bild av Centaurus A"},"content":{"rendered":"<p class=\"bodytext\">I mer \u00e4n fyra \u00e5r har <a href=\"https:\/\/www.notebookcheck.se\/Webb-avsloejar-en-hisnande-bild-av-en-galax-med-en-extremt-ljusstark-kaerna.1293375.0.html\" target=\"_self\" class=\"internal-link\" rel=\"nofollow noopener\">James Webb-rymdteleskopet<\/a> hj\u00e4lpt astronomer att b\u00e4ttre f\u00f6rst\u00e5 universum och dess sammans\u00e4ttning. Och nyligen, f\u00f6r att markera fyra\u00e5rsdagen av teleskopets f\u00f6rsta observationer, har en sl\u00e5ende bild av sammansm\u00e4ltningen mellan tv\u00e5 galaxer presenterats. &#13;<\/p>\n<p class=\"bodytext\">Denna galax, som kallas Centaurus A, ligger cirka 11 miljoner ljus\u00e5r fr\u00e5n <a href=\"https:\/\/www.notebookcheck.se\/Denna-exoplanet-som-ligger-cirka-25-ljusaar-fraan-jorden-skulle-kunna-vara-beboelig.1338351.0.html\" target=\"_self\" class=\"internal-link\" rel=\"nofollow noopener\">Jorden<\/a>. Den \u00e4r k\u00e4nd f\u00f6r sin ovanliga form och tros ha bildats genom sammansm\u00e4ltningen av tv\u00e5 galaxer f\u00f6r cirka 2 miljarder \u00e5r sedan. &#13;<\/p>\n<p class=\"bodytext\">Under denna h\u00e4ndelse frigjordes enorma m\u00e4ngder gas och stoft, vilket ledde till att m\u00e5nga stj\u00e4rnor bildades. Men det \u00e4r inte allt, eftersom denna sammansm\u00e4ltning ocks\u00e5 gjorde att dess supermassiva svarta h\u00e5l kunde v\u00e4xa och skjuta ut kraftfulla plasmastr\u00e5lar med mycket h\u00f6ga hastigheter. <\/p>\n<p class=\"bodytext\">Men \u00e4ven om detta teleskop har gjort det m\u00f6jligt f\u00f6r astronomerna att b\u00e4ttre f\u00f6rst\u00e5 denna galax, s\u00e4rskilt med hj\u00e4lp av MIRI (Mid-Infrared Instrument) och NIRCam (Near-Infrared Camera), kvarst\u00e5r vissa mysterier. Flera strukturer som omger detta himlakropp \u00e4r n\u00e4mligen fortfarande d\u00e5ligt f\u00f6rst\u00e5dda, till exempel den S-formade strukturen i dess centrum.<\/p>\n<p class=\"bodytext\">Denna bild belyser dock James Webb-rymdteleskopets f\u00f6rm\u00e5ga att utforska omr\u00e5den som tidigare var ot\u00e4nkbara. Och ytterligare framsteg kommer att g\u00f6ras inom en snar framtid tack vare detta instrument och framtida teleskop. <\/p>\n","protected":false},"excerpt":{"rendered":"I mer \u00e4n fyra \u00e5r har James Webb-rymdteleskopet hj\u00e4lpt astronomer att b\u00e4ttre f\u00f6rst\u00e5 universum och dess sammans\u00e4ttning. Och&hellip;\n","protected":false},"author":2,"featured_media":303644,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[66],"tags":[373,7083,29302,7233,29301,7084,3122,7085,370,27162,29303,80,78,79,34,31,33,32,30,81,84,2213,2212,83,82],"class_list":["post-303643","post","type-post","status-publish","format-standard","has-post-thumbnail","category-vetenskap-och-teknik","tag-astronomi","tag-barbar-dator","tag-centaurus-a","tag-galax","tag-james-webb-rymdteleskopet","tag-laptop","tag-nasa","tag-notebook","tag-rymden","tag-rymdnyheter","tag-sammanslagning","tag-science","tag-science-and-technology","tag-scienceandtechnology","tag-se","tag-svenska","tag-sverige","tag-sweden","tag-swedish","tag-technology","tag-teknik","tag-teleskop","tag-universum","tag-vetenskap","tag-vetenskapteknik"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@se\/116910061425092173","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts\/303643","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/comments?post=303643"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts\/303643\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/media\/303644"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/media?parent=303643"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/categories?post=303643"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/tags?post=303643"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}