{"id":31396,"date":"2026-03-30T03:56:08","date_gmt":"2026-03-30T03:56:08","guid":{"rendered":"https:\/\/www.europesays.com\/sk\/31396\/"},"modified":"2026-03-30T03:56:08","modified_gmt":"2026-03-30T03:56:08","slug":"vedci-nasli-pod-povrchom-marsu-stopy-ktore-potvrdzuju-dlhovekost-vody","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/sk\/31396\/","title":{"rendered":"Vedci na\u0161li pod povrchom Marsu stopy, ktor\u00e9 potvrdzuj\u00fa dlhovekos\u0165 vody"},"content":{"rendered":"

USA – Rover Perseverance objavil hlboko pod povrchom Marsu rozsiahly starovek\u00fd deltov\u00fd syst\u00e9m. Nov\u00e9 radarov\u00e9 merania nazna\u010duj\u00fa, \u017ee voda pretekala po \u010dervenej plan\u00e9te tiekla ove\u013ea dlh\u0161ie, ako sa doteraz predpokladalo. Toto zistenie zvy\u0161uje pravdepodobnos\u0165, \u017ee t\u00e1to plan\u00e9ta mohla by\u0165 v minulosti vhodn\u00e1 pre vznik \u017eivota.<\/p>\n

\u010ealeko v kr\u00e1teri na plan\u00e9te ob\u00fdvanej iba robotmi, sk\u00fama rover NASA\u00a0Perseverance\u00a0such\u00fa krajinu, ktor\u00e1 bola pred miliardami rokov rozsiahlym rie\u010dnym syst\u00e9mom. Novoobjaven\u00e1 delta v kr\u00e1teri\u00a0Jezero\u00a0v\u0161ak zrejme nie je jedinou stopou po ve\u013ekom mno\u017estve vody, ktor\u00e1 kedysi tiekla po povrchu Marsu. Ke\u010f pr\u00edstroj\u00a0RIMFAX\u00a0presk\u00famal podlo\u017eie tohto kr\u00e1tera hlb\u0161ie ako kedyko\u013evek predt\u00fdm, objavil rozsiahly deltov\u00fd syst\u00e9m nap\u00e1jan\u00fd te\u010d\u00facou vodou. Znamen\u00e1 to, \u017ee voda tiekla po povrchu Marsu ove\u013ea dlh\u0161ie ako napoved\u00e1 samotn\u00fd povrch a\u00a0toto zistenie m\u00e1 d\u00f4le\u017eit\u00e9 d\u00f4sledky pre minul\u00fa ob\u00fdvate\u013enos\u0165 plan\u00e9ty.<\/p>\n

\u201eRIMFAX odha\u013euje \u0161ir\u0161\u00ed rie\u010dny syst\u00e9m, ako ten, ktor\u00fd bol pozorovan\u00fd z obe\u017enej dr\u00e1hy. Nazna\u010duje to dlh\u0161ie obdobie rie\u010dnej sediment\u00e1cie, vodn\u00fdch procesov a potenci\u00e1lne ob\u00fdvate\u013en\u00fdch podmienok, ako sa predt\u00fdm predpokladalo v kr\u00e1teri Jezero,\u201c uviedla pre ScienceAlert<\/a>\u00a0Emily Cardarelliov\u00e1\u00a0z Kalifornskej univerzity v Los Angeles. \u201eRIMFAX objavil star\u0161ie podzemn\u00e9 deltov\u00e9 prostredie pod dne\u0161nou deltou, \u010d\u00edm posunul obdobie potenci\u00e1lnej ob\u00fdvate\u013enosti kr\u00e1tera Jazero e\u0161te \u010falej do minulosti.\u201c Po mnoh\u00fdch rokoch intenz\u00edvneho v\u00fdskumu je \u010doraz jasnej\u0161ie, \u017ee Mars nebol v\u017edy suchou, hrdzavo-\u010dervenou prachovou plan\u00e9tou, akou je dnes.<\/p>\n

Vyn\u00e1raj\u00fa sa \u010fal\u0161ie ot\u00e1zky<\/p>\n

Viacer\u00e9 d\u00f4kazy poukazuj\u00fa na to, \u017ee kedysi tam voda tiekla vo ve\u013ekom mno\u017estve, a to od krajiny vytvorenej vodnou er\u00f3ziou a\u017e po miner\u00e1ly, ktor\u00e9 mohli vznikn\u00fa\u0165 iba v pr\u00edtomnosti kvapalnej vody. Toto v\u0161ak vyvol\u00e1va \u010fal\u0161ie ot\u00e1zky. Jednou z najd\u00f4le\u017eitej\u0161\u00edch pre ob\u00fdvate\u013enos\u0165 je skuto\u010dnos\u0165, ako dlho sa kvapaln\u00e1 voda na povrchu Marsu udr\u017eala. Dlh\u0161ie obdobie poskytuje v\u00e4\u010d\u0161\u00ed \u010dasov\u00fd priestor na vznik mikroorganizmov, ktor\u00e9 vedci pova\u017euj\u00fa za najpravdepodobnej\u0161iu formu \u017eivota, ak\u00e1 mohla na Marse existova\u0165. Krajina tejto plan\u00e9ty je zachovan\u00e1 miliardy rokov, preto\u017ee nie je vystaven\u00e1 tektonick\u00fdm a poveternostn\u00fdm podmienkam ako Zem.<\/p>\n

\t
\n\t\t\"\u0160okuj\u00faci\t\t\t<\/p>\n

\n\t\t\t\tZobrazi\u0165 gal\u00e9riu (2)\t\t\t<\/p>\n

\t<\/a><\/p>\n

\t\u00a0(Zdroj: Getty Images)<\/p>\n

Vek delty v kr\u00e1teri Jezero, ktor\u00fa sk\u00fama Perseverance, sa odhaduje na pribli\u017ene\u00a03,7 miliardy rokov, teda do obdobia od neskor\u00e9ho Noachianu po skor\u00fd Hesperian. Pr\u00e1ve v tom \u010dase mal Mars povrchov\u00fa vodu, ktor\u00e1 vytv\u00e1ra podmienky pre silnej\u0161iu er\u00f3ziu a ukladanie sedimentov. Vznik a v\u00fdvoj niektor\u00fdch miner\u00e1lnych usaden\u00edn v kr\u00e1teri Jezero vedcov dlhodobo m\u00e4tie, najm\u00e4 oh\u013eadom jednotky bohatej na karbon\u00e1ty a\u00a0oliv\u00edn, ktor\u00e1 je zn\u00e1ma ako\u00a0Margin. Aby vedci zistili, ako t\u00e1to vrstva vznikla, pou\u017eili na hlbok\u00e9 presk\u00famanie podlo\u017eia pr\u00edstroj\u00a0RIMFAX. Po\u010das\u00a078 presunov medzi septembrom 2023 a febru\u00e1rom 2024\u00a0rover opakovane meral pomocou podzemn\u00e9ho radaru a zbieral \u00fadaje pozd\u013a\u017e trasy dlhej pribli\u017ene\u00a06,1 kilometra. Merania prenikli do h\u013abky viac ako\u00a035 metrov.\u00a0<\/p>\n

Z temnoty sa postupne vynorila skryt\u00e1 deltov\u00e1 krajina<\/p>\n

Ke\u010f vedci za\u010dali d\u00e1va\u0165 dohromady d\u00e1ta, z temnoty sa postupne vynorila skryt\u00e1 deltov\u00e1 krajina. \u201eV momente, ke\u010f sme uvideli radarov\u00fd z\u00e1znam zo Sol 909, uvedomili sme si, \u017ee t\u00e1to vrstva je priesvitnej\u0161ia ako tie, ktor\u00e9 sme videli predt\u00fdm. Ako sme pokra\u010dovali cez jednotku Margin, videli sme \u010doraz hlb\u0161ie do podlo\u017eia a\u017e do h\u013abky pribli\u017ene 35 metrov,\u201c uviedla Cardarelliov\u00e1. \u201eRadarov\u00fd z\u00e1znam zo Sol 1052 bol obzvl\u00e1\u0161\u0165 vzru\u0161uj\u00faci, preto\u017ee sme videli zlo\u017eit\u00e9 \u0161trukt\u00fary v h\u013abke, ktor\u00e9 sme predt\u00fdm nepozorovali.\u201c Radarov\u00e9 \u00fadaje odhalili mno\u017estvo vrstiev horn\u00edn siahaj\u00facich hlboko pod zem, usporiadan\u00fdch v \u0161ikm\u00fdch vzoroch, ktor\u00e9 s\u00fa na Zemi typick\u00e9 pre sedimenty usadzuj\u00face sa vo vode, ke\u010f rieka \u00fasti do \u0161irokej panvy.<\/p>\n

Vedci tie\u017e identifikovali lalokovit\u00e9 a kan\u00e1lov\u00e9 \u0161trukt\u00fary zodpovedaj\u00face formovaniu te\u010d\u00facou vodou, ako aj er\u00f3zne ryhy, sp\u00e4tn\u00e9 usadeniny a\u00a0ukryt\u00e9 balvany. \u201eIde o be\u017en\u00e9 prvky rie\u010dnych syst\u00e9mov, hoci ich zachovanie nie je v\u017edy zaru\u010den\u00e9, preto\u017ee rie\u010dne syst\u00e9my s\u00fa dynamick\u00e9,\u201c dodala Cardarelliov\u00e1. Hoci radar dok\u00e1\u017ee presk\u00fama\u0165 v jednom mieste iba nieko\u013eko desiatok metrov do h\u013abky, kombin\u00e1cia meran\u00ed pozd\u013a\u017e celej trasy roveru umo\u017e\u0148uje vedcom rekon\u0161truova\u0165 ove\u013ea hrub\u0161ie sediment\u00e1rne usadeniny.<\/p>\n","protected":false},"excerpt":{"rendered":"USA – Rover Perseverance objavil hlboko pod povrchom Marsu rozsiahly starovek\u00fd deltov\u00fd syst\u00e9m. Nov\u00e9 radarov\u00e9 merania nazna\u010duj\u00fa, \u017ee…\n","protected":false},"author":2,"featured_media":31397,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[34,37,14217,1352,33,5887,14216,43,40,39,42,41,36,38,35],"class_list":{"0":"post-31396","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-spravy","8":"tag-headlines","9":"tag-hlavne-spravy","10":"tag-marsa","11":"tag-nasa","12":"tag-news","13":"tag-objav","14":"tag-rover-perseverance","15":"tag-sk","16":"tag-slovak","17":"tag-slovakia","18":"tag-slovencina","19":"tag-slovensko","20":"tag-spravy","21":"tag-titulky","22":"tag-top-stories"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@sk\/116316116327465290","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/posts\/31396","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/comments?post=31396"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/posts\/31396\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/media\/31397"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/media?parent=31396"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/categories?post=31396"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/sk\/wp-json\/wp\/v2\/tags?post=31396"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}