{"id":968,"date":"2005-01-19T09:08:00","date_gmt":"2005-01-19T08:08:00","guid":{"rendered":"https:\/\/kids.esa.int\/sounds_of_an_alien_world\/"},"modified":"2026-10-08T00:34:19","modified_gmt":"2026-10-07T22:34:19","slug":"sounds_of_an_alien_world","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/sv\/sounds_of_an_alien_world\/","title":{"rendered":"Ljud fr\u00e5n en fr\u00e4mmande v\u00e4rld"},"content":{"rendered":"<p>Bland Huygens m\u00e5nga vetenskapliga bedrifter fanns den allra f\u00f6rsta inspelningen av ljud som s\u00e4ndes tillbaka fr\u00e5n en annan v\u00e4rld.<\/p>\n<p>Under den l\u00e5nga fallsk\u00e4rmsnedstigningen genom satellitens t\u00e4ta atmosf\u00e4r registrerades ljud fr\u00e5n Titan av en \u201cmikrofon\u201d p\u00e5 utsidan av sonden.<\/p>\n<p>Samtidigt skickade radarh\u00f6jdm\u00e4taren p\u00e5 Huygens ut radiosignaler som studsade mot Titans yta.<\/p>\n<h2>1. I full fart genom Titans dis<\/h2>\n<figure class=\"wp-block-image size-natural\" data-width=\"546\" data-credit=\"ESA\/NASA\/JPL\/University of Arizona\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2005\/01\/First_colour_view_of_Titan_s_surface2\" 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\/01\/first_colour_view_of_titan_s_surface2\/17907791-2-eng-GB\/First_colour_view_of_Titan_s_surface.png\" alt=\"First colour view of Titan&#x27;s surface\"><figcaption>Den f\u00f6rsta f\u00e4rgbilden av Titans yta<\/figcaption><\/figure>\n<p>.myLink {color:blue}.myLink:hover {color:aa3333;text-decoration:underline}Denna inspelning \u00e4r en rekonstruktion av de ljud som Huygens mikrofon f\u00e5ngade upp. Flera ljudklipp, inspelade vid olika tidpunkter, har sammanst\u00e4llts till ett ljudsp\u00e5r p\u00e5 en minut.<\/p>\n<p>Resultatet \u00e4r en realistisk \u00e5tergivning av vad en resen\u00e4r ombord p\u00e5 Huygens skulle ha h\u00f6rt under nedstigningen. F\u00f6r\u00e4ndringar i ljudstyrkan kan bero p\u00e5 stormvindar, regn eller \u00e5ska.<br \/><a href=\"http:\/\/esamultimedia.esa.int\/images\/huygens_alien_winds_descent.mp3\" target=\"_blank\" rel=\"noopener\">Fil 1: Ljud under nedstigningen<\/a><\/p>\n<h2>2. Radareko fr\u00e5n Titans yta<\/h2>\n<p>.myLink {color:blue}.myLink:hover {color:aa3333;text-decoration:underline}Denna inspelning har skapats genom att omvandla vissa av de radarekon som Huygens mottog under de sista kilometrarna av sin nedstigning till ljud. N\u00e4r sonden n\u00e4rmar sig marken \u00f6kar tonh\u00f6jden och intensiteten \u2013 ungef\u00e4r som ljudet av en motorcykel som gasar upp.<\/p>\n<p>Genom att analysera ekona kommer forskarna att kunna ber\u00e4kna f\u00f6r\u00e4ndringar i sondens h\u00f6jd. De kanske till och med kan avg\u00f6ra om ytan var fast eller flytande, oj\u00e4mn eller sl\u00e4t.<br \/><a href=\"http:\/\/esamultimedia.esa.int\/images\/huygens_alien_winds_descent_radar.mp3\" target=\"_blank\" rel=\"noopener\">Fil 2: radaromvandling<\/a><\/p>\n<p>K\u00e4lla: ESA\/NASA\/ASI\/HASI-teamet (M. Fulchignoni)<\/p>\n<nav class=\"related\" aria-label=\"Relaterat\">\n<h2 class=\"related__heading\">Relaterat<\/h2>\n<div class=\"grid related__grid\">\n<div class=\"grid-item\">\n<article class=\"card focuson agency\"><a class=\"card__link\" href=\"http:\/\/www.esa.int\/SPECIALS\/Kids_Comic\/index.html\" target=\"_blank\" rel=\"noopener\"><\/p>\n<figure class=\"thumbnail\"><span class=\"dimmer\"><\/span><\/figure>\n<header class=\"entry\">\n<h3 class=\"heading\">serie_avsnitt03_strillo<\/h3>\n<\/header>\n<p><\/a><\/article>\n<\/div>\n<\/div>\n<\/nav>","protected":false},"excerpt":{"rendered":"<p>Among the many scientific achievements of Huygens was the first ever recording of sounds sent back from another world. During the long parachute descent through the satellite\u2019s dense atmosphere, the [&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\/2005\/01\/sounds_of_an_alien_world2\/17868894-2-eng-GB\/Sounds_of_an_alien_world.jpg","esa_banner_description":"Sounds of an alien world","esa_banner_credit":"ESA\/NASA\/JPL & Observatoire de Paris-Meudon (M. Fulchignoni)","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2005\/01\/Sounds_of_an_alien_world2","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":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-968","post","type-post","status-publish","format-standard","hentry","category-learn","category-our-universe","category-planets-and-moons","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts\/968","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=968"}],"version-history":[{"count":5,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts\/968\/revisions"}],"predecessor-version":[{"id":4761,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/posts\/968\/revisions\/4761"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/media?parent=968"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/categories?post=968"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/tags?post=968"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/panel?post=968"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/language?post=968"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/age?post=968"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/duration?post=968"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/resource_type?post=968"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/audience?post=968"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/sv\/wp-json\/wp\/v2\/wf_post_folders?post=968"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}