{"id":25725,"date":"2022-06-15T10:57:26","date_gmt":"2022-06-15T10:57:26","guid":{"rendered":"https:\/\/extraslovensko.sk\/spravy\/?p=25725"},"modified":"2022-06-15T10:57:26","modified_gmt":"2022-06-15T10:57:26","slug":"sonda-curiosity-nasla-na-marse-skrutene-skalne-veze","status":"publish","type":"post","link":"https:\/\/extraslovensko.sk\/spravy\/sonda-curiosity-nasla-na-marse-skrutene-skalne-veze\/","title":{"rendered":"Sonda Curiosity na\u0161la na Marse skr\u00faten\u00e9 skaln\u00e9 ve\u017ee"},"content":{"rendered":"

Sonda Curiosity na\u0161la na Marse skuto\u010dne zvl\u00e1\u0161tne, skr\u00faten\u00e9 skaln\u00e9 ve\u017ee. Rover na\u0161iel v\u00fdnimo\u010dn\u00fd skaln\u00fd \u00fatvar, ktor\u00fd prer\u00e1\u017ea mimozemsk\u00fa krajinu Marsu . Medzi plytk\u00fdmi pieskami a balvanmi kr\u00e1tera Gale sa t\u00fd\u010di nieko\u013eko kr\u00fatiacich sa skaln\u00fdch ve\u017e\u00ed, hroty sedimentu vyzeraj\u00fa takmer ako zamrznut\u00e9 pr\u00fady vody, ktor\u00e9 sa vylievaj\u00fa z nevidite\u013en\u00e9ho d\u017eb\u00e1nu na oblohe.<\/p>\n

V skuto\u010dnosti odborn\u00edci tvrdia, \u017ee st\u013apy boli pravdepodobne vytvoren\u00e9 z l\u00e1tok podobn\u00fdch cementu, ktor\u00e9 kedysi vyp\u013a\u0148ali star\u00e9 trhliny v skalnom podlo\u017e\u00ed. Ako m\u00e4k\u0161ia hornina postupne erodovala, hadovit\u00e9 pr\u00fady kompaktn\u00e9ho materi\u00e1lu zostali st\u00e1\u0165. Skaln\u00e9 \u00fatvary zachytila \u200b\u200bkamera na palube voz\u00edtka Curiosity 17. m\u00e1ja, no tento obr\u00e1zok minul\u00fd t\u00fd\u017ede\u0148 zverejnila NASA a odborn\u00edci z in\u0161tit\u00fatu SETI (\u010do znamen\u00e1 H\u013eadanie mimozemskej inteligencie) ako s\u00fa\u010das\u0165 planet\u00e1rneho obr\u00e1zku SETI.
\n\"Rover
\nAkoko\u013evek cudzie \u0161trukt\u00fary m\u00f4\u017eu vyzera\u0165, nie s\u00fa bez precedensu. V pozemskej geol\u00f3gii je ‘hoodoo’ vysok\u00e1 a tenk\u00e1 skaln\u00e1 ve\u017ea vytvoren\u00e1 er\u00f3ziou. M\u00f4\u017ee sa naz\u00fdva\u0165 aj stanov\u00e1 skala, rozpr\u00e1vkov\u00fd kom\u00edn alebo zemn\u00e1 pyram\u00edda. <\/p>\n

Hoodoos sa zvy\u010dajne nach\u00e1dzaj\u00fa v suchom prostred\u00ed, ako s\u00fa ka\u0148ony Utahu alebo ju\u017en\u00e9ho Srbska, a st\u013apy sa niekedy m\u00f4\u017eu t\u00fd\u010di\u0165 a\u017e do v\u00fd\u0161ky desa\u0165poschodov\u00fdch budov. Akoko\u013evek cudzie \u0161trukt\u00fary m\u00f4\u017eu vyzera\u0165, nie s\u00fa bez precedensu.<\/p>\n

Pr\u00edrodn\u00e9 \u0161trukt\u00fary s\u00fa tvoren\u00e9 vrstvami tvrd\u00fdch horn\u00edn, ktor\u00e9 sa vytv\u00e1raj\u00fa v m\u00e4k\u0161\u00edch sediment\u00e1rnych hornin\u00e1ch. Ako zvy\u0161ok skaly eroduje pred da\u017e\u010fom, vetrom alebo mrazom, v skalnom podlo\u017e\u00ed v\u00e1m zostane n\u00e1dhern\u00e1 forma starod\u00e1vneho zlomu. Dve skaln\u00e9 ve\u017ee na Marse vyzeraj\u00fa, akoby sa chystali prevrhn\u00fa\u0165 v porovnan\u00ed s t\u00fdmi, ktor\u00e9 vid\u00edme na Zemi, ale zjavne s\u00fa dostato\u010dne pevn\u00e9, aby odolali \u013eah\u0161ej povrchovej gravit\u00e1cii, ktor\u00fa za\u017eila \u010derven\u00e1 plan\u00e9ta.<\/p>\n

\u010eal\u0161\u00ed zvl\u00e1\u0161tny skaln\u00fd \u00fatvar , ktor\u00fd objavila Curiosity za\u010diatkom tohto roka, mohol by\u0165 vytvoren\u00fd podobn\u00fdm sp\u00f4sobom, aj ke\u010f s ve\u013emi odli\u0161n\u00fdmi v\u00fdsledkami.<\/p>\n

T\u00e1to \u010fal\u0161ia men\u0161ia skala vyzer\u00e1 ako k\u00fasok koralu alebo kvetu s mno\u017estvom mal\u00fdch okvetn\u00fdch l\u00edstkov, ktor\u00e9 sa tiahnu smerom k slnku.<\/p>\n

“Jedna te\u00f3ria, ktor\u00e1 sa objavila, je, \u017ee hornina je typ konkr\u00e9cie vytvorenej miner\u00e1lmi ulo\u017een\u00fdmi vodou v trhlin\u00e1ch alebo deleniach v existuj\u00facej hornine,” vysvetlila vtedy tla\u010dov\u00e1 spr\u00e1va NASA.<\/p>\n

“Tieto konkr\u00e9cie m\u00f4\u017eu by\u0165 zhutnen\u00e9 dohromady, m\u00f4\u017eu by\u0165 tvrd\u0161ie a hustej\u0161ie ako okolit\u00e1 hornina a m\u00f4\u017eu zosta\u0165 aj po tom, \u010do okolit\u00e1 hornina eroduje.”
\n\"mimozemsk\u00e9
\nKr\u00e1ter Gale nie je \u00faplne ploch\u00fd, ale mimozemsk\u00e9 ve\u017ee objaven\u00e9 Curiosity vy\u010dnievaj\u00fa zo zvy\u0161ku ich prostredia, hoci obr\u00e1zok nesprev\u00e1dzaj\u00fa \u017eiadne merania v\u00fd\u0161ky.<\/p>\n

Vysok\u00e9 skaln\u00e9 n\u00e1hrobn\u00e9 kamene m\u00f4\u017eu teraz vyzera\u0165 ako bez \u017eivota, ale ich form\u00e1cia vypoved\u00e1 o d\u00e1vnych podmienkach na Marse a o tom, \u010di tam pred miliardami rokov mohol prekvita\u0165 \u017eivot.<\/p>\n

Samotn\u00fd kr\u00e1ter Gale je pova\u017eovan\u00fd za vyschnut\u00e9 dno jazera aj ke\u010f mo\u017eno plyt\u0161ie a priechodnej\u0161ie, ne\u017e odborn\u00edci kedysi predpokladali. Skaln\u00e9 \u00fatvary v starovekom jazere a okolo neho pom\u00e1haj\u00fa odhali\u0165 skuto\u010dn\u00fa hist\u00f3riu regi\u00f3nu.<\/p>\n","protected":false},"excerpt":{"rendered":"

Sonda Curiosity na\u0161la na Marse skuto\u010dne zvl\u00e1\u0161tne, skr\u00faten\u00e9 skaln\u00e9 ve\u017ee. Rover na\u0161iel v\u00fdnimo\u010dn\u00fd skaln\u00fd \u00fatvar, ktor\u00fd prer\u00e1\u017ea mimozemsk\u00fa krajinu Marsu . Medzi plytk\u00fdmi pieskami a balvanmi kr\u00e1tera Gale sa t\u00fd\u010di nieko\u013eko kr\u00fatiacich sa skaln\u00fdch ve\u017e\u00ed, hroty sedimentu vyzeraj\u00fa takmer ako zamrznut\u00e9 pr\u00fady vody, ktor\u00e9 sa vylievaj\u00fa z nevidite\u013en\u00e9ho d\u017eb\u00e1nu na oblohe. V skuto\u010dnosti odborn\u00edci tvrdia, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-25725","post","type-post","status-publish","format-standard","hentry","category-exo-news"],"_links":{"self":[{"href":"https:\/\/extraslovensko.sk\/spravy\/wp-json\/wp\/v2\/posts\/25725","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/extraslovensko.sk\/spravy\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/extraslovensko.sk\/spravy\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/extraslovensko.sk\/spravy\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/extraslovensko.sk\/spravy\/wp-json\/wp\/v2\/comments?post=25725"}],"version-history":[{"count":0,"href":"https:\/\/extraslovensko.sk\/spravy\/wp-json\/wp\/v2\/posts\/25725\/revisions"}],"wp:attachment":[{"href":"https:\/\/extraslovensko.sk\/spravy\/wp-json\/wp\/v2\/media?parent=25725"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/extraslovensko.sk\/spravy\/wp-json\/wp\/v2\/categories?post=25725"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/extraslovensko.sk\/spravy\/wp-json\/wp\/v2\/tags?post=25725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}