{"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\/cs\/water_on_mars_but_not_a_drop_to_drink\/","title":{"rendered":"Voda na Marsu \u2013 ale ani kapka k pit\u00ed"},"content":{"rendered":"
\n

Povrch Marsu je dnes such\u00fd jako pou\u0161\u0165, ale nov\u00e9 v\u00fdsledky sondy Mars Express agentury ESA potvrzuj\u00ed, \u017ee voda hr\u00e1la v historii t\u00e9to planety d\u016fle\u017eitou roli. Citliv\u00e9 p\u0159\u00edstroje sondy potvrzuj\u00ed, \u017ee such\u00e1 Rud\u00e1 planeta byla kdysi mnohem vlh\u010d\u00ed a \u017ee pod povrchem se pravd\u011bpodobn\u011b hojn\u011b vyskytuje vodn\u00ed led.<\/p>\n<\/div>\n

B\u011bhem n\u011bkolika t\u00fddn\u016f lo\u0148sk\u00e9ho l\u00e9ta vys\u00edlal radarov\u00fd p\u0159\u00edstroj na sond\u011b r\u00e1diov\u00e9 sign\u00e1ly, kter\u00e9 pronikly povrchem a odrazily se od podzemn\u00edch vrstev. Anal\u00fdza t\u011bchto odraz\u016f odhalila zak\u0159iven\u00e9 struktury, kter\u00e9 by mohly p\u0159edstavovat vn\u011bj\u0161\u00ed okraje poh\u0159ben\u00fdch impaktn\u00edch p\u00e1nv\u00ed.<\/p>\n

\"Hubble's
Hubbleovo t\u011bsn\u00e9 setk\u00e1n\u00ed s Marsem<\/figcaption><\/figure>\n

T\u00e9m\u011b\u0159 kruhov\u00e1 struktura o pr\u016fm\u011bru p\u0159ibli\u017en\u011b 250 km se nach\u00e1z\u00ed v hloubce 1,5 a\u017e 2,5 km pod severn\u00ed n\u00ed\u017einou v oblasti Chryse Planitia. V\u011bdci se domn\u00edvaj\u00ed, \u017ee by mohla obsahovat silnou vrstvu materi\u00e1lu bohat\u00e9ho na vodn\u00ed led. Bl\u00ed\u017ee k severn\u00edmu p\u00f3lu Marsu nazna\u010duj\u00ed siln\u00e9 ozv\u011bny p\u0159\u00edtomnost t\u00e9m\u011b\u0159 \u010dist\u00e9 vrstvy vodn\u00edho ledu o tlou\u0161\u0165ce v\u00edce ne\u017e 1 km, kter\u00e1 le\u017e\u00ed nad vrstvou sope\u010dn\u00e9 \u201cp\u016fdy\u201d.<\/p>\n

Radar MARSIS se rovn\u011b\u017e vyu\u017e\u00edv\u00e1 ke studiu horn\u00ed \u010d\u00e1sti atmosf\u00e9ry \u2013 ionosf\u00e9ry. Odrazy nazna\u010duj\u00ed silnou souvislost mezi chov\u00e1n\u00edm ionizovan\u00e9ho plynu v t\u00e9to oblasti a oblastmi se siln\u00fdm magnetick\u00fdm polem v pevn\u00e9 k\u016f\u0159e planety.<\/p>\n

Dal\u0161\u00ed p\u0159\u00edstroj, zn\u00e1m\u00fd pod n\u00e1zvem OMEGA, zaznamenal horninov\u00e9 miner\u00e1ly, kter\u00e9 byly pozm\u011bn\u011bny p\u016fsoben\u00edm kapaln\u00e9 vody. Tyto \u2018hydratovan\u00e9\u2019 miner\u00e1ly dokazuj\u00ed, \u017ee na Marsu existovala p\u0159ed miliardami let velk\u00e1 mno\u017estv\u00ed vody \u2013 a \u017ee podm\u00ednky tehdy mohly b\u00fdt vhodn\u00e9 pro vznik \u017eivota.<\/p>","protected":false},"excerpt":{"rendered":"

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. […]<\/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\/cs\/wp-json\/wp\/v2\/posts\/973","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/comments?post=973"}],"version-history":[{"count":5,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/973\/revisions"}],"predecessor-version":[{"id":4766,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/973\/revisions\/4766"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/media?parent=973"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/categories?post=973"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/tags?post=973"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/panel?post=973"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/language?post=973"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/age?post=973"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/duration?post=973"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/resource_type?post=973"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/audience?post=973"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/wf_post_folders?post=973"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}