{"id":973,"date":"2005-12-05T10:52:00","date_gmt":"2005-12-05T09:52:00","guid":{"rendered":"https:\/\/kids.esa.int\/water_on_mars_but_not_a_drop_to_drink\/"},"modified":"2026-10-08T00:34:23","modified_gmt":"2026-10-07T22:34:23","slug":"water_on_mars_but_not_a_drop_to_drink","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/ro\/water_on_mars_but_not_a_drop_to_drink\/","title":{"rendered":"Ap\u0103 pe Marte \u2013 dar nici o pic\u0103tur\u0103 de b\u0103ut"},"content":{"rendered":"<div class=\"lede\">\n<p>Suprafa\u021ba planetei Marte este ast\u0103zi la fel de uscat\u0103 ca un de\u0219ert, dar noile rezultate ob\u021binute de sonda Mars Express a ESA confirm\u0103 faptul c\u0103 apa a jucat un rol important \u00een istoria planetei. Instrumentele sensibile ale sondei confirm\u0103 c\u0103 Planeta Ro\u0219ie, ast\u0103zi arid\u0103, a fost c\u00e2ndva mult mai umed\u0103 \u0219i c\u0103 ghea\u021ba de ap\u0103 este probabil r\u0103sp\u00e2ndit\u0103 pe scar\u0103 larg\u0103 sub suprafa\u021b\u0103.<\/p>\n<\/div>\n<p>Pe parcursul c\u00e2torva s\u0103pt\u0103m\u00e2ni din vara trecut\u0103, instrumentul radar al orbiterului a transmis semnale radio care au traversat suprafa\u021ba \u0219i au fost reflectate de straturile subterane. Analiza acestor ecouri a scos la iveal\u0103 structuri curbe care ar putea fi marginile exterioare ale unor bazine de impact \u00eengropate.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"800\" data-credit=\"NASA\/ESA, J. Bell (Cornell U.) and M. Wolff (SSI)\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2003\/08\/Hubble_s_close_encounter_with_Mars2\" 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\/2003\/08\/hubble_s_close_encounter_with_mars2\/17867008-3-eng-GB\/Hubble_s_close_encounter_with_Mars.jpg\" alt=\"Hubble&#x27;s close encounter with Mars\"><figcaption>\u00cent\u00e2lnirea apropiat\u0103 a telescopului Hubble cu Marte<\/figcaption><\/figure>\n<p>O structur\u0103 aproape circular\u0103, cu un diametru de aproximativ 250 km, se afl\u0103 la o ad\u00e2ncime cuprins\u0103 \u00eentre 1,5 \u0219i 2,5 km sub c\u00e2mpia nordic\u0103 a regiunii Chryse Planitia. Oamenii de \u0219tiin\u021b\u0103 consider\u0103 c\u0103 aceasta ar putea con\u021bine un strat gros de material bogat \u00een ghea\u021b\u0103 de ap\u0103. Mai aproape de polul nord mar\u021bian, ecouri puternice indic\u0103 prezen\u021ba unui strat aproape pur de ghea\u021b\u0103 de ap\u0103, cu o grosime de peste 1 km, situat deasupra unui strat de \u201csol\u201d vulcanic.<\/p>\n<p>Radarul MARSIS a fost utilizat \u0219i pentru studierea p\u0103r\u021bii superioare a atmosferei \u2013 ionosfera. Ecourile indic\u0103 o leg\u0103tur\u0103 str\u00e2ns\u0103 \u00eentre comportamentul gazului ionizat din aceast\u0103 regiune \u0219i zonele cu magnetism puternic din scoar\u021ba solid\u0103 a planetei.<\/p>\n<p>Un alt instrument, cunoscut sub numele de OMEGA, a detectat minerale rocose care au suferit modific\u0103ri sub ac\u021biunea apei \u00een stare lichid\u0103. Aceste minerale \u2018hidratate\u2019 demonstreaz\u0103 c\u0103 pe Marte existau cantit\u0103\u021bi mari de ap\u0103 cu miliarde de ani \u00een urm\u0103 \u2013 \u0219i c\u0103, probabil, condi\u021biile de atunci erau propice apari\u021biei vie\u021bii.<\/p>","protected":false},"excerpt":{"rendered":"<p>The surface of Mars is now as dry as a desert, but new results from ESA\u2019s Mars Express confirm that water has played an important role in the planet\u2019s history. [&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\/11\/mars_express_s_omega_instrument_adds_detail_to_candor_chasma3\/17911528-2-eng-GB\/Mars_Express_s_OMEGA_instrument_adds_detail_to_Candor_Chasma.jpg","esa_banner_description":"Mars Express's OMEGA instrument adds detail to Candor Chasma","esa_banner_credit":"ESA\/OMEGA\/HRSC","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2005\/11\/Mars_Express_s_OMEGA_instrument_adds_detail_to_Candor_Chasma3","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-973","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\/ro\/wp-json\/wp\/v2\/posts\/973","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=973"}],"version-history":[{"count":5,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/973\/revisions"}],"predecessor-version":[{"id":4766,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/posts\/973\/revisions\/4766"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/media?parent=973"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/categories?post=973"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/tags?post=973"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/panel?post=973"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/language?post=973"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/age?post=973"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/duration?post=973"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/resource_type?post=973"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/audience?post=973"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/ro\/wp-json\/wp\/v2\/wf_post_folders?post=973"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}