{"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\/et\/mars_radar_pioneers_3d_views_of_planets\/","title":{"rendered":"Marsi radar v\u00f5imaldab planeetide 3D-vaateid"},"content":{"rendered":"<div class=\"lede\">\n<p>Superman suutis k\u00fcll oma r\u00f6ntgenn\u00e4gemisega l\u00e4bi seinte vaadata, kuid Euroopa teadlased on v\u00e4lja t\u00f6\u00f6tanud veelgi m\u00e4rkimisv\u00e4\u00e4rsema v\u00f5ime. ESA Mars Expressi orbiidil asuva MARSIS-radariga suudavad nad vaadata l\u00e4bi mitme kilomeetri paksuse tahke j\u00e4\u00e4- v\u00f5i kivikihi.<\/p>\n<\/div>\n<p>Veel hiljuti oli v\u00f5imalik uurida vaid planeedi pinda. Ainus viis saada teavet maa-aluste tingimuste kohta oli maanduda pinnale ja hakata kaevama v\u00f5i puurima. Kuid selliste meetoditega oli v\u00f5imalik uurida vaid umbes poole meetri s\u00fcgavuseni ja need sobisid vaid \u00fche koha uurimiseks kogu planeedil.<\/p>\n<p>MARSIS, esimene teise planeedi orbiidile viidud radarsond, on n\u00e4idanud, et orbiidilt on v\u00f5imalik vaadata kogu planeedi pinna alla. N\u00fc\u00fcd, kui MARSIS-meeskond m\u00f5istab paremini, mida radarsond suudab saavutada, hakkab ta kaaluma teiste P\u00e4ikeses\u00fcsteemi objektide uurimist.<\/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>Radariga tehtav sondimine avab planeedi kolmanda m\u00f5\u00f5tme<\/figcaption><\/figure>\n<p>Jupiteri kuu Europa on \u00fcks koht, kus MARSIS-t\u00fc\u00fcpi katse v\u00f5iks tuua kaasa p\u00f5nevaid avastusi. Arvatakse, et Europa paksu j\u00e4\u00e4koore all asub ookean (kus v\u00f5ib olla elu?). Radari abil saaks m\u00f5\u00f5ta ka s\u00fcsivesinikuj\u00e4rvede s\u00fcgavust Saturni kuul Titanil. Samuti saaks sellega uurida v\u00f5imsaid geisreid, mis paiskuvad kosmosesse Enceladuselt, teiselt Saturni kuult.<\/p>\n<p>Asteroidide ja komeetide sisemust saaks p\u00f5hjalikult uurida radarsondiga. Siin Maal v\u00f5iks MARSIS-meetod osutuda hindamatuks Antarktika j\u00e4\u00e4kilpide uurimisel. T\u00e4nu radari l\u00e4biva vaatamisv\u00f5imele on esmakordselt tekkinud v\u00f5imalus planeete ja kuusid kolmem\u00f5\u00f5tmeliselt uurida.<\/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 saadab signaale ja v\u00f5tab vastu kaja<\/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\/et\/wp-json\/wp\/v2\/posts\/898","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/comments?post=898"}],"version-history":[{"count":5,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/posts\/898\/revisions"}],"predecessor-version":[{"id":4728,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/posts\/898\/revisions\/4728"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/media?parent=898"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/categories?post=898"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/tags?post=898"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/panel?post=898"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/language?post=898"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/age?post=898"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/duration?post=898"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/resource_type?post=898"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/audience?post=898"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/et\/wp-json\/wp\/v2\/wf_post_folders?post=898"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}