{"id":898,"date":"2008-04-24T13:12:00","date_gmt":"2008-04-24T11:12:00","guid":{"rendered":"https:\/\/kids.esa.int\/mars_radar_pioneers_3d_views_of_planets\/"},"modified":"2026-10-08T00:33:31","modified_gmt":"2026-10-07T22:33:31","slug":"mars_radar_pioneers_3d_views_of_planets","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/sv\/mars_radar_pioneers_3d_views_of_planets\/","title":{"rendered":"Marsradar banar v\u00e4g f\u00f6r 3D-bilder av planeter"},"content":{"rendered":"<div class=\"lede\">\n<p>Superman kanske kunde se genom v\u00e4ggar med sin r\u00f6ntgensyn, men europeiska forskare har utvecklat en \u00e4nnu mer anm\u00e4rkningsv\u00e4rd f\u00f6rm\u00e5ga. Med hj\u00e4lp av MARSIS-radarsonden p\u00e5 ESA:s rymdsond Mars Express kan de se genom flera kilometer av massivt is eller berg.<\/p>\n<\/div>\n<p>Fram till nyligen var det endast m\u00f6jligt att utforska en planets yta. Det enda s\u00e4ttet att f\u00e5 information om f\u00f6rh\u00e5llandena under jordytan var att landa p\u00e5 ytan och b\u00f6rja gr\u00e4va eller borra. Men s\u00e5dana metoder kunde endast n\u00e5 ett djup p\u00e5 kanske en halv meter och fungerade bara f\u00f6r en enda plats p\u00e5 hela planeten.<\/p>\n<p>MARSIS, den f\u00f6rsta radarsond som har kretsat kring en annan planet, har visat att det \u00e4r m\u00f6jligt att fr\u00e5n omloppsbana se under ytan p\u00e5 en hel planet. Nu, med en b\u00e4ttre f\u00f6rst\u00e5else f\u00f6r vad en radarsond kan \u00e5stadkomma, b\u00f6rjar MARSIS-teamet fundera p\u00e5 att utforska andra himlakroppar i solsystemet.<\/p>\n<figure class=\"wp-block-image size-natural\" data-width=\"400\" data-credit=\"Jason Craig\/JPL\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2008\/04\/Radar_sounding_is_opening_up_a_planet_s_third_dimension2\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2008\/04\/radar_sounding_is_opening_up_a_planet_s_third_dimension2\/17893129-2-eng-GB\/Radar_sounding_is_opening_up_a_planet_s_third_dimension.jpg\" alt=\"Radar sounding is opening up a planet\u2019s third dimension\"><figcaption>Radarsondering avsl\u00f6jar en planets tredje dimension<\/figcaption><\/figure>\n<p>Jupiters m\u00e5ne Europa \u00e4r en plats d\u00e4r ett experiment av MARSIS-typ skulle kunna leda till sp\u00e4nnande uppt\u00e4ckter. Man tror att Europa har ett hav (med liv?) under sin tjocka, isiga skorpa. Radar skulle ocks\u00e5 kunna m\u00e4ta djupet p\u00e5 kolv\u00e4te-sj\u00f6arna p\u00e5 Saturnus m\u00e5ne Titan. Den skulle \u00e4ven kunna studera de kraftfulla gejsrarna som sprutar ut i rymden fr\u00e5n Enceladus, en annan av Saturnus m\u00e5nar.<\/p>\n<p>Asteroidernas och kometernas inre skulle kunna kartl\u00e4ggas ing\u00e5ende med hj\u00e4lp av en radarsond. H\u00e4r p\u00e5 jorden skulle MARSIS-tekniken kunna vara ov\u00e4rderlig f\u00f6r att studera Antarktis ist\u00e4cken. F\u00f6r f\u00f6rsta g\u00e5ngen finns det m\u00f6jlighet att genomf\u00f6ra tredimensionella studier av planeter och m\u00e5nar \u2013 tack vare radarens f\u00f6rm\u00e5ga att se rakt igenom.<\/p>\n<figure class=\"wp-block-image size-natural\" data-width=\"400\" data-credit=\"ESA (Animation by AOES Medialab)\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2005\/11\/MARSIS_sending_signals_and_receiving_echoes2\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2005\/11\/marsis_sending_signals_and_receiving_echoes2\/17890983-2-eng-GB\/MARSIS_sending_signals_and_receiving_echoes.jpg\" alt=\"MARSIS sending signals and receiving echoes\"><figcaption>MARSIS s\u00e4nder signaler och tar emot ekon<\/figcaption><\/figure>","protected":false},"excerpt":{"rendered":"<p>Superman may have been able to see through walls with his X-ray vision, but European scientists have developed an even more remarkable ability. With the MARSIS radar sounder on ESA\u2019s [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2008\/04\/marsis_fully_deployed2\/17875888-2-eng-GB\/MARSIS_fully_deployed.jpg","esa_banner_description":"MARSIS fully deployed","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2008\/04\/MARSIS_fully_deployed2","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[10,11,12],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-898","post","type-post","status-publish","format-standard","hentry","category-learn","category-our-universe","category-planets-and-moons"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts\/898","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/comments?post=898"}],"version-history":[{"count":5,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts\/898\/revisions"}],"predecessor-version":[{"id":4728,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts\/898\/revisions\/4728"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/media?parent=898"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/categories?post=898"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/tags?post=898"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/panel?post=898"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/language?post=898"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/age?post=898"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/duration?post=898"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/resource_type?post=898"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/audience?post=898"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/wf_post_folders?post=898"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}