{"id":4586,"date":"2022-01-26T14:46:28","date_gmt":"2022-01-26T13:46:28","guid":{"rendered":"https:\/\/prahaskolska-backup.200.solutions.uvirt120.active24.cz\/?p=4586"},"modified":"2022-01-26T14:46:28","modified_gmt":"2022-01-26T13:46:28","slug":"na-marsu-byly-nalezeny-zvysene-koncentrace-uhliku-12-vedci-spekuluji-o-moznosti-mikrobiologickeho-zivota","status":"publish","type":"post","link":"https:\/\/prahaskolska-backup.200.solutions\/?p=4586","title":{"rendered":"Na Marsu byly nalezeny zv\u00fd\u0161en\u00e9 koncentrace uhl\u00edku-12, v\u011bdci spekuluj\u00ed o mo\u017enosti mikrobiologick\u00e9ho \u017eivota"},"content":{"rendered":"\n

NASA p\u0159ed n\u011bkolika dny ozn\u00e1mila, \u017ee jejich vesm\u00edrn\u00e9 voz\u00edtko Curiosity nalezlo na Marsu neobvyklou koncentraci uhl\u00edku-12. Tento izotop je na Zemi spojov\u00e1n s biologick\u00fdmi procesy, tak\u017ee se nask\u00fdt\u00e1 mo\u017enost, \u017ee bude zanedlouho na Marsu objeven \u017eivot.<\/strong><\/p>\n\n\n\n

Zat\u00edm se ale jedn\u00e1 pouze o anom\u00e1lii. \"Na Marsu nach\u00e1z\u00edme v\u011bci, kter\u00e9 jsou l\u00e1kav\u011b zaj\u00edmav\u00e9, ale pot\u0159ebovali bychom v\u00edce d\u016fkaz\u016f, abychom mohli \u0159\u00edct, \u017ee jsme identifikovali \u017eivot,\" \u0159ekl Paul Mahaffy, hlavn\u00ed v\u00fdzkumn\u00edk projektu Sample Analysis at Mars. Vzorky budou podrobeny s\u00e9rii mnoh\u00fdch anal\u00fdz a v\u00fdzkum\u016f, abychom si mohli b\u00fdt skute\u010dn\u011b jisti, zda se jedn\u00e1 o takto pozoruhodn\u00fd n\u00e1lez.<\/p>\n\n\n\n

Na tento \u00fakaz bychom mohli nahl\u00ed\u017eet o n\u011bco polopati\u010dt\u011bji, pokud by byl Mars alespo\u0148 lehce podobn\u00fd Zemi, co\u017e je bohu\u017eel daleko od pravdy. \"Nejt\u011b\u017e\u0161\u00ed je opustit Zemi, zbavit se p\u0159edsudk\u016f, kter\u00e9 m\u00e1me, a skute\u010dn\u011b se pokusit proniknout do z\u00e1klad\u016f chemie, fyziky a environment\u00e1ln\u00edch proces\u016f na Marsu,\" \u0159ekla astrobiolo\u017eka Jennifer L. Eigenbrodeov\u00e1, kter\u00e1 se rovn\u011b\u017e pod\u00edlela na v\u00fdzkumu. Andrew Steele, v\u00fdzkumn\u00edk pro Curiosity, dodal: \"Definov\u00e1n\u00ed kolob\u011bhu uhl\u00edku na Marsu je naprosto kl\u00ed\u010dov\u00e9 pro pochopen\u00ed toho, jak by do tohoto kolob\u011bhu mohl zapadat \u017eivot.\" \"Na Zemi se n\u00e1m to poda\u0159ilo, ale na Marsu s definov\u00e1n\u00edm tohoto cyklu teprve za\u010d\u00edn\u00e1me,\" \u0159ekl.<\/p>\n\n\n\n

Uhl\u00edk jako takov\u00fd se nach\u00e1z\u00ed ve v\u011bt\u0161in\u011b \u017eiv\u00fdch proces\u016f na Zemi, konkr\u00e9tn\u011b uhl\u00edk-12 preferuje mno\u017estv\u00ed \u017eiv\u00fdch bytost\u00ed k tr\u00e1ven\u00ed potravy \u010di fotosynt\u00e9ze, narozd\u00edl od t\u011b\u017e\u0161\u00edho uhl\u00edku-13, kter\u00fd byl na Marsu tak\u00e9 nalezen, ale v ni\u017e\u0161\u00edch hodnot\u00e1ch. Pom\u011br t\u011bchto izotop\u016f pom\u00e1h\u00e1 v\u011bdc\u016fm ur\u010dit, o jak\u00e9 \u00fakazy by se mohlo jednat, p\u0159\u00edpadn\u011b v jak\u00e9m prost\u0159ed\u00ed \u017eij\u00ed.<\/p>\n\n\n\n

V\u00fdzkumn\u00fd t\u00fdm p\u0159i\u0161el s n\u011bkolika hypot\u00e9zami v\u00fdskytu, p\u0159i\u010dem\u017e v\u011bt\u0161ina z nich zahrnuje interakci n\u011bjak\u00e9 formy uhl\u00edku a ultrafialov\u00e9ho z\u00e1\u0159en\u00ed. Povrch Marsu od n\u011bj toti\u017e nen\u00ed chr\u00e1n\u011bn jako Zem\u011b, a tak je dost dob\u0159e mo\u017en\u00e9, \u017ee se do tamn\u00edho ovzdu\u0161\u00ed dostal nap\u0159. metan, kter\u00fd za pomoc\u00ed pr\u00e1v\u011b UV z\u00e1\u0159en\u00ed vytvo\u0159il nalezen\u00e9 uhl\u00edkov\u00e9 izotopy.<\/p>\n\n\n\n

Fotografie od u\u017eivatele murat esibatir<\/a><\/strong> ze slu\u017eby Pexels<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

NASA p\u0159ed n\u011bkolika dny ozn\u00e1mila, \u017ee jejich vesm\u00edrn\u00e9 voz\u00edtko Curiosity nalezlo na Marsu neobvyklou koncentraci uhl\u00edku-12. Tento izotop je na Zemi spojov\u00e1n s biologick\u00fdmi procesy, tak\u017ee se nask\u00fdt\u00e1 mo\u017enost, \u017ee […]<\/p>\n","protected":false},"author":25,"featured_media":4617,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[49,51,46],"tags":[8],"class_list":["post-4586","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ekologie","category-spolecnost","category-studentske-zpravodajstvi","tag-rodic-zak"],"acf":[],"gutentor_comment":0,"_links":{"self":[{"href":"https:\/\/prahaskolska-backup.200.solutions\/index.php?rest_route=\/wp\/v2\/posts\/4586","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prahaskolska-backup.200.solutions\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prahaskolska-backup.200.solutions\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prahaskolska-backup.200.solutions\/index.php?rest_route=\/wp\/v2\/users\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/prahaskolska-backup.200.solutions\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4586"}],"version-history":[{"count":4,"href":"https:\/\/prahaskolska-backup.200.solutions\/index.php?rest_route=\/wp\/v2\/posts\/4586\/revisions"}],"predecessor-version":[{"id":4618,"href":"https:\/\/prahaskolska-backup.200.solutions\/index.php?rest_route=\/wp\/v2\/posts\/4586\/revisions\/4618"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prahaskolska-backup.200.solutions\/index.php?rest_route=\/wp\/v2\/media\/4617"}],"wp:attachment":[{"href":"https:\/\/prahaskolska-backup.200.solutions\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prahaskolska-backup.200.solutions\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4586"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prahaskolska-backup.200.solutions\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}