{"id":91857,"date":"2025-11-28T07:33:09","date_gmt":"2025-11-28T07:33:09","guid":{"rendered":"https:\/\/www.europesays.com\/se\/91857\/"},"modified":"2025-11-28T07:33:09","modified_gmt":"2025-11-28T07:33:09","slug":"grottor-pa-mars-kan-vara-rester-av-flodlandskap","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/se\/91857\/","title":{"rendered":"Grottor p\u00e5 Mars kan vara rester av flodlandskap"},"content":{"rendered":"<p>\u201dGrottor \u00e4r lysande kandidater till att d\u00f6lja sp\u00e5r av liv och ge st\u00f6d \u00e5t framtida m\u00e4nsklig n\u00e4rvaro\u201d, skriver forskarna bakom <a href=\"https:\/\/iopscience.iop.org\/article\/10.3847\/2041-8213\/ae0f1c\" target=\"_blank\" class=\"hover:font-bold\" rel=\"nofollow noopener\">en ny studie.<\/a><\/p>\n<p>Med hj\u00e4lp av satellitdata fr\u00e5n omr\u00e5det Hebrus Valles har de tittat n\u00e4rmare p\u00e5 flera h\u00e5ligheter i ytan som \u00e4r till f\u00f6rv\u00e4xling lika ing\u00e5ngar till droppstensgrottor p\u00e5 jorden.<\/p>\n<p>Flera faktorer tyder p\u00e5 grottor fr\u00e5n flodlandskap<\/p>\n<p>Forskarna har tittat n\u00e4rmare p\u00e5 \u00e5tta h\u00e5ligheter som t\u00e4nkbara s\u00e5 kallade karstgrottor. De p\u00e5minner om grottsystem p\u00e5 jorden d\u00e4r l\u00e4ttuppl\u00f6slig sten sakta n\u00f6ts bort av rinnande vatten.<\/p>\n<p>Gruppen har samlat in data fr\u00e5n flera av Nasas instrument som ligger i omloppsbana runt Mars.<\/p>\n<p>V\u00e4rmem\u00e4tningar och mineralkartor visar att omr\u00e5dena kring h\u00e5ligheterna \u00e4r rika p\u00e5 karbonater och sulfater, mineraler som p\u00e5 jorden l\u00f6ses upp av surt vatten och bildar grottor och slukh\u00e5l.<\/p>\n<p>Gammam\u00e4tningar visar \u00e4ven f\u00f6rh\u00f6jda niv\u00e5er av \u201dvattenekvivalent v\u00e4te\u201d, vilket tyder p\u00e5 vattenbundna mineraler eller tidigare is strax under ytan.<\/p>\n","protected":false},"excerpt":{"rendered":"\u201dGrottor \u00e4r lysande kandidater till att d\u00f6lja sp\u00e5r av liv och ge st\u00f6d \u00e5t framtida m\u00e4nsklig n\u00e4rvaro\u201d, skriver&hellip;\n","protected":false},"author":2,"featured_media":91858,"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-91857","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\/115626167681679432","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts\/91857","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=91857"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/posts\/91857\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/media\/91858"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/media?parent=91857"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/categories?post=91857"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/se\/wp-json\/wp\/v2\/tags?post=91857"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}