{"id":916,"date":"2007-01-11T09:35:00","date_gmt":"2007-01-11T08:35:00","guid":{"rendered":"https:\/\/kids.esa.int\/corot-_europe_s_planet-seeker\/"},"modified":"2026-10-08T00:33:44","modified_gmt":"2026-10-07T22:33:44","slug":"corot-_europe_s_planet-seeker","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/da\/corot-_europe_s_planet-seeker\/","title":{"rendered":"COROT \u2013 Europas planetj\u00e6ger"},"content":{"rendered":"<div class=\"lede\">\n<p>S\u00f8gningen efter planeter langt uden for vores solsystem tr\u00e5dte ind i en ny \u00e6ra den 27. december 2006 med opsendelsen af det europ\u00e6iske COROT-rumfart\u00f8j. COROT, der blev bragt i kredsl\u00f8b af en ny version af Soyuz-raketten, lettede fra Baikonur-kosmodromen i Kasakhstan kl. 15.23 CET. 50 minutter senere blev den 630 kg tunge satellit placeret i et perfekt pol\u00e6rt kredsl\u00f8b 900 km over Jorden.<\/p>\n<\/div>\n<p>Siden da er COROTs 30 cm-teleskop og det meget f\u00f8lsomme kamera blevet brugt til at unders\u00f8ge \u2018stjernejordsk\u00e6lv\u2019 og lede efter nye verdener. Rumfart\u00f8jet g\u00f8r dette ved at opfange det svage lys fra 120.000 stjerner og sende det videre til et specielt kamera, der best\u00e5r af to dele.<\/p>\n<figure class=\"wp-block-image size-natural\" data-width=\"537\" data-credit=\"CNES\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2006\/11\/Planet_transit_in_front_of_a_star2\" 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\/2006\/11\/planet_transit_in_front_of_a_star2\/17867526-3-eng-GB\/Planet_transit_in_front_of_a_star.jpg\" alt=\"Planet transit in front of a star\"><figcaption>En planet passerer foran en stjerne<\/figcaption><\/figure>\n<p>Den ene halvdel af kameraet er udviklet til at opdage fjerne planeter. Dette sker ved at registrere sm\u00e5 fald i en stjernes lysstyrke, n\u00e5r en planet passerer foran den. Mange af de objekter, COROT har fundet, er \u2018hot Jupiters\u2019 \u2013 k\u00e6mpeplaneter, der befinder sig meget t\u00e6t p\u00e5 deres stjerner. Det har dog ogs\u00e5 opdaget et lille antal \u2018superjordkloder\u2019. Disse klippeplaneter er kun f\u00e5 gange st\u00f8rre end Jorden. COROT-7b \u2013 med en diameter p\u00e5 mindre end det dobbelte af Jordens \u2013 var den mindste exoplanet, der nogensinde er fundet.<\/p>\n<p>Den anden del af kameraet kan registrere sm\u00e5 \u00e6ndringer i en stjernes lysudbytte, der skyldes lydb\u00f8lger, der l\u00f8ber hen over overfladen. Disse b\u00f8lger svarer til jordsk\u00e6lvsb\u00f8lger p\u00e5 Jorden, og de giver forskerne mulighed for at l\u00e6re meget om forholdene inde i den enkelte stjerne. Lignende unders\u00f8gelser af Solen er allerede blevet gennemf\u00f8rt med ESA\u2019s SOHO-rumfart\u00f8j.<\/p>","protected":false},"excerpt":{"rendered":"<p>The search for planets far beyond our Solar System entered a new era on 27 December 2006 with the launch of Europe\u2019s COROT spacecraft. Carried into orbit by a new [&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\/2006\/11\/artist_s_impression_of_corot3\/17888727-2-eng-GB\/Artist_s_impression_of_COROT.jpg","esa_banner_description":"","esa_banner_credit":"CNES - D. 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