{"id":218,"date":"2021-03-22T11:41:45","date_gmt":"2021-03-22T10:41:45","guid":{"rendered":"https:\/\/kids.esa.int\/esa_s_mars_express_finds_more_underground_water\/"},"modified":"2026-10-08T00:25:38","modified_gmt":"2026-10-07T22:25:38","slug":"esa_s_mars_express_finds_more_underground_water","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/ro\/esa_s_mars_express_finds_more_underground_water\/","title":{"rendered":"Sonda \u201eMars Express\u201d a ESA descoper\u0103 \u0219i mai mult\u0103 ap\u0103 subteran\u0103"},"content":{"rendered":"<div class=\"lede\">\n<p>Sonda spa\u021bial\u0103 Mars Express a ESA s-a ocupat intens de explorarea Planetei Ro\u0219ii. Oamenii de \u0219tiin\u021b\u0103 implica\u021bi \u00een misiune tocmai au f\u0103cut un anun\u021b interesant: au descoperit cantit\u0103\u021bi mari de ap\u0103 \u00een stare lichid\u0103!<\/p>\n<\/div>\n<p>Un lac mare, cu dimensiunile de 20 x 30 km, care are aproximativ aceea\u0219i suprafa\u021b\u0103 ca ora\u0219ul Roma, a fost <a href=\"https:\/\/www.esa.int\/kids\/en\/learn\/Our_Universe\/Planets_and_moons\/Liquid_water_found_on_Mars\" target=\"_blank\" rel=\"noopener\">\u00eenfiin\u021bat\u0103 \u00een 2018<\/a> sub regiunea polar\u0103 sudic\u0103 a planetei Marte. Aceste noi cercet\u0103ri au scos la iveal\u0103 \u00eenc\u0103 trei lacuri care o \u00eenconjoar\u0103. Cu toate acestea, toate sunt \u00eengropate sub un strat de ghea\u021b\u0103 de 1,5 km! Oamenii de \u0219tiin\u021b\u0103 consider\u0103 c\u0103 apa din aceste lacuri trebuie s\u0103 fie s\u0103rat\u0103, ceea ce \u00eenseamn\u0103 c\u0103 poate r\u0103m\u00e2ne \u00een stare lichid\u0103 \u0219i nu \u00eenghea\u021b\u0103 la temperaturile sc\u0103zute de pe Marte.<\/p>\n<p>Mars Express se afl\u0103 pe orbita Planetei Ro\u0219ii. Pentru a face aceast\u0103 descoperire, sonda a folosit un dispozitiv special numit MARSIS, prescurtare de la \u201cMars Advanced Radar for Subsurface and Ionosphere Sounding\u201d. MARSIS este un \u201eradar de penetrare a solului\u201d, ceea ce \u00eenseamn\u0103 c\u0103 emite impulsuri radar din orbit\u0103 c\u0103tre suprafa\u021ba lui Marte. M\u0103sur\u00e2nd timpul necesar pentru ca impulsurile s\u0103 se reflecte \u00eenapoi \u0219i intensitatea acestora, oamenii de \u0219tiin\u021b\u0103 pot determina cum arat\u0103 stratul subteran.<\/p>\n<figure class=\"wp-block-embed is-type-video\"><iframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/Am0yFQJIGOs\" title=\"Player video YouTube\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/figure>\n<p>Cu mult timp \u00een urm\u0103, Marte era mai cald \u0219i mai umed, iar apa curgea pe suprafa\u021ba sa. De-a lungul timpului, condi\u021biile s-au schimbat, iar apa \u00een stare lichid\u0103 nu mai poate r\u0103m\u00e2ne mult timp la suprafa\u021b\u0103. Cu toate acestea, descoperirea acestor b\u0103l\u021bi sugereaz\u0103 posibilitatea fascinant\u0103 ca sub suprafa\u021ba mar\u021bian\u0103 s\u0103 existe \u00eentregi sisteme de lacuri antice, vechi de milioane sau chiar miliarde de ani. Ar putea acestea s\u0103 g\u0103zduiasc\u0103 forme simple de via\u021b\u0103 extraterestr\u0103? Este posibil, dar ar fi foarte dificil s\u0103 le explor\u0103m \u0219i s\u0103 afl\u0103m cu certitudine.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"8000\" data-credit=\"ESA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2019\/05\/Ten_things_you_did_not_know_about_Mars_6._Water\" 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\/2019\/05\/ten_things_you_did_not_know_about_mars_6._water\/19409834-7-eng-GB\/Ten_things_you_did_not_know_about_Mars_6._Water.png\" alt=\"Ten things you did not know about Mars: 6. Water\"><figcaption>Zece lucruri pe care nu le \u0219tiai despre Marte: 6. Apa<\/figcaption><\/figure>\n<p>Imagineaz\u0103-\u021bi c\u0103 ai avea sarcina de a proiecta un robot care s\u0103 exploreze aceste iazuri. \u00ce\u021bi vine \u00een minte vreo modalitate de a sparge ghea\u021ba \u0219i apoi de a analiza apa? Ce ai putea descoperi?<\/p>\n<p><i>Un fapt interesant: Tehnicile folosite pentru a analiza datele radar de la Mars Express sunt similare cu cele utilizate de oamenii de \u0219tiin\u021b\u0103 pentru a studia lacurile subterane de pe P\u0103m\u00e2nt, din Antarctica, Canada \u0219i Groenlanda.<\/i><\/p>\n<p><i>\u00a0<\/i><\/p>","protected":false},"excerpt":{"rendered":"<p>ESA\u2019s Mars Express spacecraft has been busy exploring the red planet. Mission scientists have just made an exciting announcement: they have discovered lots of liquid water! A large lake of [&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\/2003\/04\/artist_s_impression_of_water_under_the_martian_surface\/9968426-2-eng-GB\/Artist_s_impression_of_water_under_the_martian_surface.jpg","esa_banner_description":"Artist\u2019s impression of water under the martian surface","esa_banner_credit":"Illustration by Medialab, ESA 2001","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2003\/04\/Artist_s_impression_of_water_under_the_martian_surface","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":[26],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-218","post","type-post","status-publish","format-standard","hentry","category-news"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/218","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/comments?post=218"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/218\/revisions"}],"predecessor-version":[{"id":4360,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/218\/revisions\/4360"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/media?parent=218"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/categories?post=218"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/tags?post=218"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/panel?post=218"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/language?post=218"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/age?post=218"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/duration?post=218"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/resource_type?post=218"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/audience?post=218"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/wf_post_folders?post=218"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}