{"id":241766,"date":"2026-05-09T18:01:10","date_gmt":"2026-05-09T18:01:10","guid":{"rendered":"https:\/\/www.europesays.com\/se\/241766\/"},"modified":"2026-05-09T18:01:10","modified_gmt":"2026-05-09T18:01:10","slug":"stor-tavling-har-ar-farkosten-som-ska-resa-till-var-grannstjarna-40-000-miljarder-kilometer-bort","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/se\/241766\/","title":{"rendered":"Stor t\u00e4vling: H\u00e4r \u00e4r farkosten som ska resa till v\u00e5r grannstj\u00e4rna 40 000 miljarder kilometer bort"},"content":{"rendered":"<p>Ett s\u00e5dant ekosystem \u00e4r v\u00e4ldigt utrymmeskr\u00e4vande, en bes\u00e4ttning som \u00e4r stor nog f\u00f6r att kunna kolonisera ett fr\u00e4mmande planetsystem likas\u00e5.<\/p>\n<p>St\u00e4ndigt roterande bes\u00e4ttning<\/p>\n<p>Enligt f\u00f6rslaget ska Chrysalis ha en massa p\u00e5 omkring 2,4 miljarder ton. Bara br\u00e4nsletankarna tar upp de bakre tv\u00e5 tredjedelarna av den cirka 60 kilometer l\u00e5nga stj\u00e4rnfarkosten.<\/p>\n<p>Den fr\u00e4mre tredjedelen, d\u00e4r bes\u00e4ttningen kommer att bo, ska byggas upp av flera lager av skal eller ringar kring en inre stabil k\u00e4rna.<\/p>\n<p>Utan <a href=\"https:\/\/illvet.se\/fysik\/vad-ar-gravitation\" class=\"hover:font-bold\" rel=\"nofollow noopener\" target=\"_blank\">gravitation<\/a> skulle livet ombord bli v\u00e4ldigt besv\u00e4rligt. Allting skulle sv\u00e4va omkring, och dessutom skulle bes\u00e4ttningen f\u00f6rlora i princip all muskelmassa och drabbas av bensk\u00f6rhet. D\u00e4rf\u00f6r simulerar Chrysalis gravitation genom att l\u00e5ta skalen rotera runt k\u00e4rnan.<\/p>\n<p>Det tryck som golvet ut\u00f6var mot astronauternas f\u00f6tter upplevs som vikt eller tyngd. Skalens rotationshastighet kan anpassas s\u00e5 att det k\u00e4nns som jordens gravitation, exakt en g.<\/p>\n<p>Om vi en dag best\u00e4mmer oss f\u00f6r att bygga en stj\u00e4rnfarkost av Chrysalis storlek skulle det ta flera \u00e5rtionden och kr\u00e4va kopi\u00f6sa m\u00e4ngder arbetskraft, resurser och energi. Den st\u00f6rsta struktur vi n\u00e5gonsin byggt i rymden, rymdstationen ISS, tog 13 \u00e5r att f\u00e4rdigst\u00e4lla och Chrysalis \u00e4r fem miljoner g\u00e5nger tyngre.<\/p>\n","protected":false},"excerpt":{"rendered":"Ett s\u00e5dant ekosystem \u00e4r v\u00e4ldigt utrymmeskr\u00e4vande, en bes\u00e4ttning som \u00e4r stor nog f\u00f6r att kunna kolonisera ett fr\u00e4mmande&hellip;\n","protected":false},"author":2,"featured_media":241767,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[66],"tags":[80,78,79,34,31,33,32,30,81,84,83,82],"class_list":{"0":"post-241766","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-vetenskap-och-teknik","8":"tag-science","9":"tag-science-and-technology","10":"tag-scienceandtechnology","11":"tag-se","12":"tag-svenska","13":"tag-sverige","14":"tag-sweden","15":"tag-swedish","16":"tag-technology","17":"tag-teknik","18":"tag-vetenskap","19":"tag-vetenskapteknik"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@se\/116545931504404156","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts\/241766","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=241766"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts\/241766\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/media\/241767"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/media?parent=241766"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/categories?post=241766"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/tags?post=241766"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}