{"id":7153,"date":"2021-09-09T00:00:00","date_gmt":"2021-09-08T23:00:00","guid":{"rendered":"https:\/\/instrid.sk\/uncategorized\/rover-perseverance-ziskal-prvu-vzorku-horniny-z-marsu\/"},"modified":"2021-09-09T00:00:00","modified_gmt":"2021-09-08T23:00:00","slug":"rover-perseverance-ziskal-prvu-vzorku-horniny-z-marsu","status":"publish","type":"post","link":"https:\/\/instrid.sk\/en\/archiv\/rover-perseverance-ziskal-prvu-vzorku-horniny-z-marsu\/","title":{"rendered":"Rover Perseverance z\u00edskal prv\u00fa vzorku horniny z Marsu"},"content":{"rendered":"<p><strong>Robotick\u00e9 vozidlo Perseverance<\/strong> Americk\u00e9ho n\u00e1rodn\u00e9ho \u00faradu pre letectvo a\u00a0vesm\u00edr (NASA) z\u00edskalo prv\u00fa vzorku horniny z\u00a0Marsu. Inform\u00e1ciu potvrdila NASA v\u00a0pondelok po tom, \u010do sa vedeck\u00e9mu t\u00edmu podarilo kamerou na robotickom vozidle overi\u0165 <strong>pr\u00edtomnos\u0165 vzorky<\/strong> <strong>s\u00a0rozmermi o\u00a0nie\u010do hrub\u0161\u00edmi ako tuha ceruzky<\/strong>. Rover Perseverance, ktor\u00fd sa v\u00a0s\u00fa\u010dasnosti pohybuje po vyschnutom dne <strong>kr\u00e1tera Jezero<\/strong> t\u00fdmto dokon\u010dil prv\u00fd krok misie s\u00a0cie\u013eom priviez\u0165 vzorky z\u00a0Marsu na Zem.<\/p>\n<p>U\u017e 1. septembra NASA ohl\u00e1sila, \u017ee d\u00e1ta z\u00a0roveru Perseverance nazna\u010duj\u00fa, \u017ee sa im zrejme <strong>podarilo z\u00edska\u0165 vzorku horniny<\/strong>. Americk\u00fd n\u00e1rodn\u00fd \u00farad pre letectvo a\u00a0vesm\u00edr si v\u0161ak e\u0161te pred t\u00fdm, ne\u017e vyd\u00e1 pr\u00edkaz na dokon\u010denie spracovania vzorky, chcel by\u0165 ist\u00fd jej z\u00edskan\u00edm, a\u00a0tak najsk\u00f4r \u010dakal na jej fotografie. 3. septembra boli uverejnen\u00e9 na Twitter \u00fa\u010dte @NASAPerservere prv\u00e9 fotografie trubice so vzorkou, no kv\u00f4li zl\u00e9mu osvetleniu nebolo mo\u017en\u00e9 potvrdi\u0165 jej pr\u00edtomnos\u0165. Lep\u0161ie sveteln\u00e9 podmienky sa naskytli a\u017e 5. septembra, kedy sa t\u00edmu podarilo vizu\u00e1lne potvrdi\u0165 pr\u00edtomnos\u0165 vzorky v trubici.<\/p>\n Poh\u013ead na vzorku z\u00edskan\u00fa robotick\u00fdm vozidlom Perseverance [NASA]\n<p>N\u00e1sledne rover presunul trubicu so vzorkou do vn\u00fatra vozidla na \u010fal\u0161ie merania, po ktor\u00fdch sa kontajner so vzorkou hermeticky uzavrel. Vzorka je tak od 7. septembra umiestnen\u00e1 v jednej zo 43 vzduchotesn\u00fdch tit\u00e1nov\u00fdch trub\u00edc a uskladnen\u00e1 vo vozidle, odkia\u013e bude vyzdvihnut\u00e1 bud\u00facou misiou.<\/p>\n<h3>Prv\u00fd pokus nevy\u0161iel<\/h3>\n<p>Rover Perseverance sa u\u017e za\u010diatkom augusta pok\u00fasil odobra\u0165 vzorku horniny, no <strong>pokus na nevydaril<\/strong> nako\u013eko v\u0155tal do <strong>drobivej horniny<\/strong>. Vzorka sa pri v\u0155tan\u00ed rozpadla a\u00a0vozidlo ju nedok\u00e1zalo umiestni\u0165 do tit\u00e1novej trubice. Do nej sa tak dostala len atmosf\u00e9ra Marsu.<\/p>\n<h3>Kedy m\u00f4\u017eeme vzorky o\u010dak\u00e1va\u0165?<\/h3>\n<p>Americk\u00fd n\u00e1rodn\u00fd \u00farad pre letectvo a vesm\u00edr spolu s Eur\u00f3pskou vesm\u00edrnou agent\u00farou (ESA) pl\u00e1nuj\u00fa nieko\u013eko \u010fal\u0161\u00edch misi\u00ed s\u00a0cie\u013eom doviez\u0165 vzorky z\u00a0Marsu na Zem niekedy <strong>okolo roku 2030<\/strong>. Ak sa ich pl\u00e1ny vydaria, bude to prv\u00fdkr\u00e1t, \u010do bud\u00fa ma\u0165 vedci na Zemi mo\u017enos\u0165 sk\u00fama\u0165 vzorky z inej plan\u00e9ty.<\/p>\n Robotick\u00e9 rameno roveru Perseverance [NASA]\n<h3>\u010co je cie\u013eom?<\/h3>\n<p>Robotick\u00e9 vozidlo Perseverance s rozmermi podobn\u00fdmi ve\u013ekosti auta prist\u00e1lo 18. febru\u00e1ra 2021 v kr\u00e1teri Jezero. Je jedn\u00fdm, z hlavn\u00fdch prvkov misie <strong>Mars 2020<\/strong>, na ktor\u00fa bol vyhraden\u00fd\u00a0rozpo\u010det <strong>2,7 miliardy dol\u00e1rov<\/strong>. Rover je 3 metre dlh\u00fd, 2,7 metra \u0161irok\u00fd, 2,2 metra vysok\u00fd a v\u00e1\u017ei 1025 kilogramov. Perseverance m\u00e1 obd\u013a\u017enikov\u00fd tvar, \u0161es\u0165 kolies, 2 metre dlh\u00e9 robotick\u00e9 rameno s v\u0155ta\u010dkou na odber vzoriek horn\u00edn, 43 tit\u00e1nov\u00fdch trub\u00edc na ich uskladnenie, 23 kamier, 2 mikrof\u00f3ny a mno\u017estvo vedeck\u00fdch pr\u00edstrojov. Rover taktie\u017e priniesol na Mars aj 1,8 kg <strong>helikopt\u00e9ru Ingenuity<\/strong>, ktor\u00e1 ako prv\u00e1 uskuto\u010dnila let v\u00a0atmosf\u00e9re Marsu.<\/p>\n<p>Dizajn vozidla Perseverance je ve\u013emi podobn\u00fd jeho predchodcovi, <strong>roveru Curiosity<\/strong> <strong>misie Mars Science Laboratory (MSL)<\/strong>, ktor\u00fd na Marse prist\u00e1l v\u00a0auguste 2012. Okrem\u00a0dizajnu taktie\u017e zdie\u013eaj\u00fa aj techniku a\u00a0postup pri zostupe a\u00a0n\u00e1slednom prist\u00e1t\u00ed na \u010derven\u00fa plan\u00e9tu. Rover Perseverance na Marse h\u013ead\u00e1 <strong>d\u00f4kazy o\u00a0d\u00e1vnom mikrobi\u00e1lnom \u017eivote<\/strong> a\u00a0okrem mnoh\u00fdch \u010fal\u0161\u00edch \u00faloh aj <strong>zhroma\u017e\u010fuje vzorky horn\u00edn<\/strong> pre vedeck\u00fd v\u00fdskum na Zemi.<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #999999\">Zdroje: NASA&#8217;s Mars Exploration Program, Space.com, CNET<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Robotick\u00e9 vozidlo Perseverance Americk\u00e9ho n\u00e1rodn\u00e9ho \u00faradu pre letectvo a\u00a0vesm\u00edr (NASA) z\u00edskalo prv\u00fa vzorku horniny z\u00a0Marsu. Inform\u00e1ciu potvrdila NASA v\u00a0pondelok po tom, \u010do sa vedeck\u00e9mu t\u00edmu<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[51],"tags":[],"class_list":["post-7153","post","type-post","status-publish","format-standard","hentry","category-archiv","two-columns"],"_links":{"self":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/posts\/7153","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/comments?post=7153"}],"version-history":[{"count":0,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/posts\/7153\/revisions"}],"wp:attachment":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/media?parent=7153"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/categories?post=7153"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/tags?post=7153"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}