{"id":370,"date":"2018-08-23T13:47:00","date_gmt":"2018-08-23T11:47:00","guid":{"rendered":"https:\/\/kids.esa.int\/liquid_water_found_on_mars\/"},"modified":"2026-10-08T00:27:23","modified_gmt":"2026-10-07T22:27:23","slug":"liquid_water_found_on_mars","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/ro\/liquid_water_found_on_mars\/","title":{"rendered":"S-a descoperit ap\u0103 \u00een stare lichid\u0103 pe Marte!"},"content":{"rendered":"<div class=\"lede\">\n<p>Sonda spa\u021bial\u0103 \u201eMars Express\u201d a Agen\u021biei Spa\u021biale Europene (ESA) a f\u0103cut o descoperire uimitoare: semne ale prezen\u021bei apei \u00een stare lichid\u0103 pe Planeta Ro\u0219ie! Oamenii de \u0219tiin\u021b\u0103 caut\u0103 ap\u0103 de mult\u0103 vreme, iar aceast\u0103 descoperire ar putea avea o importan\u021b\u0103 deosebit\u0103.<\/p>\n<\/div>\n<p>Cu mult timp \u00een urm\u0103, o mare parte din suprafa\u021ba planetei Marte era acoperit\u0103 de oceane, r\u00e2uri \u0219i lacuri. \u0218tim acest lucru deoarece, \u00een zilele noastre, putem observa pe Marte elemente precum imensele v\u0103i fluviale uscate. Acestea au fost fotografiate cu un nivel de detaliu uimitor de c\u0103tre sondele aflate pe orbit\u0103. De asemenea, modulele de aterizare \u0219i roverele care exploreaz\u0103 suprafa\u021ba au descoperit minerale care se pot forma numai \u00een prezen\u021ba apei \u00een stare lichid\u0103.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"5333\" data-credit=\"Copyright Context map: NASA\/Viking; THEMIS background: NASA\/JPL-Caltech\/Arizona State University; MARSIS data: ESA\/NASA\/JPL\/ASI\/Univ. Rome; R. Orosei et al 2018\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/08\/Mars_Express_detects_water_buried_under_the_south_pole_of_Mars\" 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\/2018\/08\/mars_express_detects_water_buried_under_the_south_pole_of_mars\/18250213-2-eng-GB\/Mars_Express_detects_water_buried_under_the_south_pole_of_Mars.jpg\" alt=\"Mars Express detects water buried under the south pole of Mars\"><figcaption>Mars Express detecteaz\u0103 ap\u0103 \u00eengropat\u0103 sub polul sud al planetei Marte<\/figcaption><\/figure>\n<p>Dar toat\u0103 aceast\u0103 ap\u0103 nu avea s\u0103 d\u0103inuie. Clima lui Marte s-a schimbat \u0219i \u2013 de\u0219i sonda Mars Express a demonstrat anterior c\u0103 la polii planetei se afl\u0103 ap\u0103 \u00eenghe\u021bat\u0103 \u2013 \u00een prezent apa \u00een stare lichid\u0103 nu poate exista la suprafa\u021b\u0103. A\u0219adar, oamenii de \u0219tiin\u021b\u0103 au decis s\u0103 cerceteze sub p\u0103m\u00e2nt! Au folosit instrumentul special MARSIS al sondei Mars Express (<b>M<\/b>ars <b>A<\/b>avansat <b>R<\/b>adar pentru <b>S<\/b>sub suprafa\u021b\u0103 \u0219i <b>I<\/b>onosfer\u0103 <b>S<\/b>(de sondare). MARSIS este un \u201cradar de penetrare a solului\u201d. Aceasta \u00eenseamn\u0103 c\u0103 emite impulsuri radar din orbit\u0103 c\u0103tre suprafa\u021ba planetei Marte. M\u0103sur\u00e2nd timpul necesar pentru ca impulsurile s\u0103 se reflecte \u00eenapoi \u0219i intensitatea acestora, oamenii de \u0219tiin\u021b\u0103 pot afla cum arat\u0103 solul de dedesubt. Ingenios!<\/p>\n<p>O cercetare realizat\u0103 cu ajutorul instrumentului MARSIS a descoperit ceea ce c\u0103utau oamenii de \u0219tiin\u021b\u0103. Regiunea polar\u0103 sudic\u0103 a planetei Marte este format\u0103 din numeroase straturi de ghea\u021b\u0103 \u0219i praf, p\u00e2n\u0103 la o ad\u00e2ncime de aproximativ 1,5 km, \u00een zona studiat\u0103, cu o l\u0103\u021bime de 200 km. Sub aceste depozite stratificate a fost descoperit\u0103 o reflexie radar deosebit de str\u0103lucitoare, cu o l\u0103\u021bime de 20 km. Oamenii de \u0219tiin\u021b\u0103 consider\u0103 c\u0103 aceasta este un mare lac de ap\u0103 lichid\u0103!<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1920\" data-credit=\"ESA\/DLR\/FU Berlin, CC BY-SA 3.0 IGO\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/08\/Perspective_view_of_Libya_Montes\" data-licence=\"CC BY-SA 3.0 IGO or 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\/2018\/08\/perspective_view_of_libya_montes\/17894240-2-eng-GB\/Perspective_view_of_Libya_Montes.jpg\" alt=\"Perspective view of Libya Montes\"><figcaption>Vedere \u00een perspectiv\u0103 a mun\u021bilor Libya Montes<\/figcaption><\/figure>\n<p>Unele forme de via\u021b\u0103 microbian\u0103 de pe P\u0103m\u00e2nt tr\u0103iesc \u00een b\u0103l\u021bi de ap\u0103 \u00een care condi\u021biile ar face supravie\u021buirea imposibil\u0103 pentru oameni, a\u0219a c\u0103 o \u00eentrebare important\u0103 este dac\u0103 exist\u0103 vreo creatur\u0103 minuscul\u0103 care s\u0103 \u00eenoate \u00een aceast\u0103 ap\u0103 mar\u021bian\u0103? Ar putea exista cu siguran\u021b\u0103 mult mai multe b\u0103l\u021bi \u0219i lacuri sub suprafa\u021ba planetei Marte, care a\u0219teapt\u0103 s\u0103 fie descoperite. Ce secrete ascund acestea?<\/p>\n<p>Dmitri Titov, cercet\u0103torul \u0219tiin\u021bific al proiectului Mars Express al ESA, o descrie cel mai bine: \u201cAceast\u0103 descoperire palpitant\u0103 reprezint\u0103 un moment de referin\u021b\u0103 pentru \u0219tiin\u021ba planetar\u0103 \u0219i va contribui la \u00een\u021belegerea noastr\u0103 asupra evolu\u021biei planetei Marte, a istoriei apei pe planeta noastr\u0103 vecin\u0103 \u0219i a habitabilit\u0103\u021bii acesteia.\u201d<\/p>\n<p>\u021ai-ar pl\u0103cea s\u0103 explorezi lacurile subterane de pe Marte? Ce crezi c\u0103 am putea g\u0103si acolo?<\/p>\n<p><b>Un fapt interesant:<\/b> Mars Express a petrecut 15 ani \u00een orbita Planetei Ro\u0219ii!<\/p>","protected":false},"excerpt":{"rendered":"<p>ESA\u2019s Mars Express spacecraft has made an amazing discovery: signs of liquid water on the Red Planet! Scientists have been searching for water for a long time, and this breakthrough [&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\/2018\/08\/mars_express\/17883547-2-eng-GB\/Mars_Express.jpg","esa_banner_description":"Mars Express","esa_banner_credit":"ESA\/ATG medialab; Mars: ESA\/DLR\/FU Berlin, CC BY-SA 3.0 IGO","esa_banner_licence":"CC BY-SA 3.0 IGO or ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/08\/Mars_Express","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-370","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\/370","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=370"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/370\/revisions"}],"predecessor-version":[{"id":4418,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/370\/revisions\/4418"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/media?parent=370"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/categories?post=370"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/tags?post=370"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/panel?post=370"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/language?post=370"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/age?post=370"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/duration?post=370"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/resource_type?post=370"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/audience?post=370"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/wf_post_folders?post=370"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}