{"id":62256,"date":"2026-04-21T21:46:09","date_gmt":"2026-04-21T21:46:09","guid":{"rendered":"https:\/\/www.europesays.com\/cz\/62256\/"},"modified":"2026-04-21T21:46:09","modified_gmt":"2026-04-21T21:46:09","slug":"prezil-to-co-by-cloveka-zabilo-behem-sekund-mech-prekvapil-vedce","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/cz\/62256\/","title":{"rendered":"P\u0159e\u017eil to, co by \u010dlov\u011bka zabilo b\u011bhem sekund. Mech p\u0159ekvapil v\u011bdce"},"content":{"rendered":"<p>Mech je odoln\u011bj\u0161\u00ed ne\u017e lid\u00e9. Ve vesm\u00edrn\u00e9m vakuu, p\u0159ilepen\u00fd na vn\u011bj\u0161\u00ed stran\u011b Mezin\u00e1rodn\u00ed vesm\u00edrn\u00e9 stanice (ISS), p\u0159e\u017eil dev\u011bt m\u011bs\u00edc\u016f. Co v\u0161ak v\u011bdce p\u0159ekvapilo, da\u0159ilo se mu i po n\u00e1vratu na Zemi.<\/p>\n<p data-start=\"230\" data-end=\"555\">V\u011bdci <a href=\"https:\/\/dailygalaxy.com\/2026\/04\/moss-survived-286-days-outside-iss\/\" rel=\"nofollow noopener\" target=\"_blank\">poslali <\/a>do vesm\u00edru spory Physcomitrium patens (\u010depenka odst\u00e1l\u00e1). Na ob\u011b\u017enou dr\u00e1hu byly vyneseny na palub\u011b Cygnus NG-17 u\u017e v roce 2022. Um\u00edst\u011bny byly na extern\u00ed platformu, kde \u010delily teplot\u00e1m v rozmez\u00ed minus 100 a\u017e plus 100 stup\u0148\u016f Celsia (v z\u00e1vislosti na oto\u010den\u00ed ke Slunci), kosmick\u00e9mu z\u00e1\u0159en\u00ed a mikrometeoroid\u016fm.<\/p>\n<p data-start=\"557\" data-end=\"865\">Po dev\u00edti m\u011bs\u00edc\u00edch se spory, ulo\u017een\u00e9 ve sporofytech, tedy v p\u0159irozen\u00e9 ochrann\u00e9 kapsli, vr\u00e1tily na palub\u011b kapsle SpaceX Crew Dragon. P\u011bstov\u00e1ny byly v laboratorn\u00edch podm\u00ednk\u00e1ch a zhruba 86 procent z nich <a href=\"https:\/\/www.cell.com\/iscience\/fulltext\/S2589-0042(25)02088-7\" rel=\"nofollow noopener\" target=\"_blank\">vykl\u00ed\u010dilo<\/a>. Vzhledem k \u00farovni radiace a dal\u0161\u00edm hrozb\u00e1m v kosmu to odborn\u00edky p\u0159ekvapilo.<\/p>\n<p data-start=\"867\" data-end=\"1067\">Negativn\u00ed dopad se nicm\u00e9n\u011b tak\u00e9 projevil. V\u011bdci nam\u011b\u0159ili pokles chlorofylu, kter\u00fd je d\u016fle\u017eit\u00fd pro fotosynt\u00e9zu, o 20 procent. Spory v\u0161ak rostly, co\u017e je velk\u00fd p\u0159\u00edslib pro p\u011bstov\u00e1n\u00ed rostlin ve vesm\u00edru.<\/p>\n","protected":false},"excerpt":{"rendered":"Mech je odoln\u011bj\u0161\u00ed ne\u017e lid\u00e9. Ve vesm\u00edrn\u00e9m vakuu, p\u0159ilepen\u00fd na vn\u011bj\u0161\u00ed stran\u011b Mezin\u00e1rodn\u00ed vesm\u00edrn\u00e9 stanice (ISS), p\u0159e\u017eil dev\u011bt&hellip;\n","protected":false},"author":2,"featured_media":62257,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[2038,6168,21442,21025,2037,21441,74,73,78,75,77,76],"class_list":{"0":"post-62256","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-veda-a-technika","8":"tag-clanek","9":"tag-iss","10":"tag-kosmicke-zareni","11":"tag-mech","12":"tag-nedd","13":"tag-radiace","14":"tag-science","15":"tag-science-technology","16":"tag-technika","17":"tag-technology","18":"tag-veda","19":"tag-veda-a-technika"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@cz\/116444894653662368","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/62256","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/comments?post=62256"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/62256\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media\/62257"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media?parent=62256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/categories?post=62256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/tags?post=62256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}