{"id":3969,"date":"2026-07-21T15:48:42","date_gmt":"2026-07-21T15:48:42","guid":{"rendered":"https:\/\/astrohodonin.cz\/index.php\/2026\/07\/21\/zelvi-skala-na-marsu\/"},"modified":"2026-07-21T15:48:42","modified_gmt":"2026-07-21T15:48:42","slug":"zelvi-skala-na-marsu","status":"publish","type":"post","link":"https:\/\/astrohodonin.cz\/index.php\/2026\/07\/21\/zelvi-skala-na-marsu\/","title":{"rendered":"\u017delv\u00ed sk\u00e1la na Marsu"},"content":{"rendered":"<p>Je to zkamen\u011bl\u00e1 \u017eelva na Marsu?  Ne.  A\u010dkoli to p\u0159ipom\u00edn\u00e1 velkou pozemskou \u017eelvu, jedn\u00e1 se o vrstevnat\u00fd skaln\u00ed v\u00fdb\u011b\u017eek na Marsu, jeho\u017e rozloha se odhaduje na p\u0159ibli\u017en\u011b 15 metr\u016f, co\u017e znamen\u00e1, \u017ee je mnohem v\u011bt\u0161\u00ed ne\u017e \u017eelvy na Zemi. Robotick\u00fd rover Curiosity agentury NASA narazil na tento neobvykl\u00fd kopec, pojmenovan\u00fd Miraflores, minul\u00fd m\u011bs\u00edc b\u011bhem sv\u00e9ho 4922. mar\u0165ansk\u00e9ho dne pr\u016fzkumu Marsu.  Tento mal\u00fd kopec pravd\u011bpodobn\u011b p\u0159e\u017eil, proto\u017ee byl n\u011bjak\u00fdm zp\u016fsobem odoln\u011bj\u0161\u00ed v\u016f\u010di erozi ne\u017e okoln\u00ed hornina.  Ned\u00e1vn\u00fd v\u00edtr nyn\u00ed pokryla jej\u00ed vrchol oran\u017eov\u00fdm mar\u0165ansk\u00fdm p\u00edskem. Pod vrchn\u00ed vrstvou je vid\u011bt mnoho vrstev stratifikovan\u00e9 horniny, co\u017e mo\u017en\u00e1 nazna\u010duje dlouhou historii, b\u011bhem n\u00ed\u017e se zde p\u0159eru\u0161ovan\u011b usazoval v\u00edtrem un\u00e1\u0161en\u00fd p\u00edsek, kter\u00fd pot\u00e9 ztvrdl p\u016fsoben\u00edm podzemn\u00ed vody.  Podobn\u00e9 vrstevnat\u00e9 \u00fatvary erodovan\u00e9 v\u011btrem, jako jsou nap\u0159\u00edklad yardangy v \u010d\u00ednsk\u00e9 pou\u0161ti Qaidam, existuj\u00ed i zde na Zemi. Rover Curiosity a jeho doprovodn\u00fd rover Perseverance pokra\u010duj\u00ed ve zkoum\u00e1n\u00ed d\u00e1vn\u00e9 historie Marsu a z\u00e1rove\u0148 hledaj\u00ed stopy prav\u011bk\u00e9ho \u017eivota.<\/p>\n<p><!-- astropress --><\/p>\n<p>**Credit**: NASA<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Je to zkamen\u011bl\u00e1 \u017eelva na Marsu? Ne. A\u010dkoli to p\u0159ipom\u00edn\u00e1 velkou pozemskou \u017eelvu, jedn\u00e1 se o vrstevnat\u00fd skaln\u00ed v\u00fdb\u011b\u017eek na Marsu, jeho\u017e rozloha se odhaduje na p\u0159ibli\u017en\u011b 15 metr\u016f, co\u017e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3970,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3969","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nasa"],"_links":{"self":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3969","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/comments?post=3969"}],"version-history":[{"count":0,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3969\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media\/3970"}],"wp:attachment":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media?parent=3969"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/categories?post=3969"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/tags?post=3969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}