{"id":89,"date":"2024-12-05T10:25:24","date_gmt":"2024-12-05T09:25:24","guid":{"rendered":"https:\/\/kids.esa.int\/proba-3_when_two_satellites_are_better_than_one\/"},"modified":"2026-10-08T00:23:58","modified_gmt":"2026-10-07T22:23:58","slug":"proba-3_when_two_satellites_are_better_than_one","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/da\/proba-3_when_two_satellites_are_better_than_one\/","title":{"rendered":"Proba-3: N\u00e5r to satellitter er bedre end \u00e9n"},"content":{"rendered":"<p>Hvad nu, hvis to satellitter kunne sv\u00e6ve i rummet med en afstand p\u00e5 144 meter mellem sig, men samarbejde s\u00e5 perfekt, at de opf\u00f8rer sig som \u00e9n k\u00e6mpe maskine? Det er m\u00e5let for ESA\u2019s nye Proba-3-mission, som netop er blevet opsendt p\u00e5 en mission for at afd\u00e6kke Solens hemmeligheder!\u00a0<\/p>\n<p><b>Vores mystiske Sol\u00a0<\/b><\/p>\n<p>Har du nogensinde oplevet en solform\u00f8rkelse? N\u00e5r M\u00e5nen d\u00e6kker for Solen, afsl\u00f8rer den Solens svage ydre atmosf\u00e6re, der kaldes koronaen. Dette mystiske omr\u00e5de er millioner af grader varmere end Solens overflade \u2014 et mysterium, som forskerne fors\u00f8ger at l\u00f8se. K\u00e6mpe eksplosioner, der kaldes koronale masseudkast, spr\u00e6nger ogs\u00e5 ud fra koronaen og skaber problemer for astronauter, satellitter og endda elnettet p\u00e5 Jorden. Koronaen er dog en million gange svagere end Solen og er kun synlig i nogle f\u00e5 minutter under en solform\u00f8rkelse. Det g\u00f8r det meget sv\u00e6rt at studere den.\u00a0<br \/>\u00a0<br \/>Her kommer Proba-3-missionen ind i billedet! Det er et par satellitter, der snart vil begynde at arbejde sammen om at l\u00f8se denne udfordring.\u00a0<\/p>\n<ul>\n<li>\n<p>Occulter-satellitten er udstyret med en stor cirkul\u00e6r skive, der blokerer for solens bl\u00e6ndende lys og dermed skaber en kunstig solform\u00f8rkelse, som dens partner vil kunne se.\u00a0<\/p>\n<\/li>\n<\/ul>\n<ul>\n<li>\n<p>Coronagraph-satellitten er udstyret med et specielt teleskop, der skal unders\u00f8ge Solens korona i detaljer.\u00a0\u00a0<\/p>\n<\/li>\n<\/ul>\n<p>Sammen vil disse innovative satellitter skabe langvarige solform\u00f8rkelser i rummet, hvilket giver forskerne mulighed for at observere koronaen i op til seks timer ad gangen!\u00a0<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"6336\" data-credit=\"ESA - P. Sebirot\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2024\/04\/Proba-3_Occulter_and_Coronagraph_spacecraft\" 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\/2024\/04\/proba-3_occulter_and_coronagraph_spacecraft\/26009762-1-eng-GB\/Proba-3_Occulter_and_Coronagraph_spacecraft.jpg\" alt=\"Proba-3 Occulter and Coronagraph spacecraft\"><figcaption>Proba-3-rumfart\u00f8jet med okkultations- og koronagrafudstyr<\/figcaption><\/figure>\n<p><b>3, 2, 1 \u2013 s\u00e5 g\u00e5r det l\u00f8s!\u00a0<\/b><\/p>\n<p>Det var ikke let at sende to satellitter ud i rummet, men ESA havde planlagt det hele ned til mindste detalje. Proba-3 blev affyret ombord p\u00e5 Indiens kraftfulde PSLV-XL-raket fra Satish Dhawan Space Centre, en ber\u00f8mt rumhavn i Indien.\u00a0<br \/>\u00a0<br \/>De to satellitter befinder sig nu sikkert i rummet og er p\u00e5 vej ind i en bane, der str\u00e6kker sig 60.000 kilometer v\u00e6k fra Jorden \u2013 langt nok til at give et perfekt, uhindret udsyn til Solen. Efter en kort indk\u00f8ringsperiode vil satellitterne p\u00e5begynde deres utrolige \u201crumballet\u201d, hvor de flyver i formation for at gennemf\u00f8re deres eksperimenter.\u00a0<br \/>\u00a0<br \/>At se Proba-3 forlade Jorden p\u00e5 sin rejse for at unders\u00f8ge Solen var en sp\u00e6ndende begivenhed for rumentusiaster over hele verden. Snart g\u00e5r det rigtige videnskabelige arbejde i gang!\u00a0<\/p>\n<p><i><b>Sjovt faktum:<\/b> Proba-3 er som en omhyggeligt koreograferet rumdans, hvor de to satellitter flyver pr\u00e6cis 144 meter fra hinanden \u2013 med en n\u00f8jagtighed p\u00e5 blot f\u00e5 millimeter. Det g\u00f8r den til verdens f\u00f8rste mission med pr\u00e6cisionsformationflyvning!\u00a0<\/i><\/p>","protected":false},"excerpt":{"rendered":"<p>What if two satellites could float in space, 144 meters apart, but work together so perfectly that they behave like one giant machine? That is the goal of ESA\u2019s 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\/2024\/11\/proba-3_occulter_eclipsing_sun_for_coronagraph_spacecraft\/26474797-1-eng-GB\/Proba-3_Occulter_eclipsing_Sun_for_Coronagraph_spacecraft.jpg","esa_banner_description":"Proba-3 Occulter eclipsing Sun for Coronagraph spacecraft","esa_banner_credit":"ESA-P. 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