[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.praam.cz\/jak-realne-vyhubit-veskery-zivot-na-zemi\/#Article","mainEntityOfPage":"https:\/\/www.praam.cz\/jak-realne-vyhubit-veskery-zivot-na-zemi\/","headline":"Jak re\u00e1ln\u011b vyhubit ve\u0161ker\u00fd \u017eivot na zemi?","name":"Jak re\u00e1ln\u011b vyhubit ve\u0161ker\u00fd \u017eivot na zemi?","description":"Odolnost \u017eivota na obyvateln\u00fdch planet\u00e1ch odhaluje studie t\u0159\u00ed v\u011bdc\u016f\u00a0Britsk\u00e9ho kr\u00e1lovstv\u00ed z\u00a0Oxfordsk\u00e9 university. Na z\u00e1klad\u011b jejich odhad\u016f je tak\u0159ka nezni\u010diteln\u00fd. Z\u00a0p\u0159edpoklad\u016f vypl\u00edv\u00e1, \u017ee p\u0159\u00edpadn\u00e1 sterilizace planety, kterou obsadila n\u011bjak\u00e1 forma \u017eivota je t\u00e9m\u011b\u0159 nemo\u017en\u00e1 ud\u00e1lost. Je pravdou, \u017ee velmi \u010dasto sl\u00fdch\u00e1me o ohro\u017een\u00fdch druz\u00edch \u017eivo\u010dich\u016f na na\u0161\u00ed planet\u011b, kter\u00e9 jsou na pokraji vyhynut\u00ed a bohu\u017eel je […]","datePublished":"2020-09-05","dateModified":"2023-05-03","author":{"@type":"Person","@id":"https:\/\/www.praam.cz\/author\/#Person","name":"","url":"https:\/\/www.praam.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/82449f5dd313bdc88befc1a2d3138ce45c5e7d5eeee84221e3cf7fbc184b80d3?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/82449f5dd313bdc88befc1a2d3138ce45c5e7d5eeee84221e3cf7fbc184b80d3?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"praam.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.praam.cz\/wp-content\/uploads\/img_a291881_w2172_t1504187914.jpg","url":"https:\/\/www.praam.cz\/wp-content\/uploads\/img_a291881_w2172_t1504187914.jpg","height":0,"width":0},"url":"https:\/\/www.praam.cz\/jak-realne-vyhubit-veskery-zivot-na-zemi\/","about":["Web"],"wordCount":410,"articleBody":"Odolnost \u017eivota na obyvateln\u00fdch planet\u00e1ch odhaluje studie t\u0159\u00ed v\u011bdc\u016f\u00a0Britsk\u00e9ho kr\u00e1lovstv\u00ed z\u00a0Oxfordsk\u00e9 university. Na z\u00e1klad\u011b jejich odhad\u016f je tak\u0159ka nezni\u010diteln\u00fd. Z\u00a0p\u0159edpoklad\u016f vypl\u00edv\u00e1, \u017ee p\u0159\u00edpadn\u00e1 sterilizace planety, kterou obsadila n\u011bjak\u00e1 forma \u017eivota je t\u00e9m\u011b\u0159 nemo\u017en\u00e1 ud\u00e1lost. Je pravdou, \u017ee velmi \u010dasto sl\u00fdch\u00e1me o ohro\u017een\u00fdch druz\u00edch \u017eivo\u010dich\u016f na na\u0161\u00ed planet\u011b, kter\u00e9 jsou na pokraji vyhynut\u00ed a bohu\u017eel je velmi dlouh\u00e1 plej\u00e1da t\u011bch u kter\u00fdch se tento proces ani nepoda\u0159ilo zvr\u00e1tit, ale p\u0159irovn\u00e1vat to k\u00a0\u00fapln\u00e9mu z\u00e1niku v\u0161eho \u017eiv\u00e9ho nelze.V\u0161ichni jsme obezn\u00e1meni, s\u00a0tak zvan\u00fdm\u00a0velk\u00fdm vym\u00edr\u00e1n\u00edm druh\u016f, kter\u00e9 postihlo na\u0161\u00ed planetu za \u00e9ry dinosaur\u016f p\u0159ed miliardami let. Ale ne v\u0161ichni v\u011bd\u00ed, \u017ee t\u011bchto masov\u00fdch \u00fahyn\u016f \u017eivo\u010di\u0161n\u00fdch druh\u016f bylo v\u00a0historii na\u0161\u00ed planety p\u011bt. A v\u011bdci se domn\u00edvaj\u00ed, \u017ee moment\u00e1ln\u011b se nach\u00e1z\u00edme v pr\u016fb\u011bhu \u0161est\u00e9ho. Studie ale hovo\u0159\u00ed jasn\u011b. V\u00a0celku je \u017eivot velmi nezdoln\u00fd a p\u0159ekon\u00e1v\u00e1 i takov\u00e9 peripetie jak\u00fdmi jsou dopady velk\u00fdch planetek \u010di obdob\u00ed glob\u00e1ln\u00edch katastrof zp\u016fsoben\u00fdch sope\u010dnou \u010dinnost\u00ed. Je ot\u00e1zkou co se mus\u00ed naplnit, aby zmizel z\u00a0povrchu zemn\u011b \u00fapln\u011b. Poj\u010fme si zvolit n\u011bjak\u00e9 rozumn\u00e9 mantinely, kter\u00fdch se p\u0159i hypot\u00e9ze budeme dr\u017eet.Auto\u0159i studie by pova\u017eovali za konec pozemsk\u00e9ho \u017eivota situaci, p\u0159i kter\u00e9 by na povrchu zemn\u011b a to i na dn\u011b oce\u00e1n\u016f vyhynuly \u017eelvu\u0161ky (Tardigrada). Pozornost v\u011bdc\u016f si tito miniaturn\u00ed \u017eivo\u010dichov\u00e9 z\u00edskali b\u011bhem test\u016f na extr\u00e9mn\u00ed podm\u00ednky, kter\u00e9 dok\u00e1zali p\u0159e\u017e\u00edt. Dokonce p\u0159e\u017e\u00edvaj\u00ed hodiny ve vakuu, dob\u0159e sn\u00e1\u0161\u00ed vysok\u00e9 d\u00e1vky radiace nebo rozd\u00edln\u00e9 teploty od -273 do 150 stup\u0148\u016f celsia a zamrzl\u00e9 p\u0159e\u017e\u00edvaj\u00ed i des\u00edtky let. Dokonce odolali tlaku o s\u00edle 658,612 megapascal\u016f.\u00a0\u00a0 \u00a0Tak\u017ee nyn\u00ed m\u00e1me modelovou hranici, za kterou by ji\u017e \u017eivot na planet\u011b zemi nebyl mo\u017en\u00fd ani pro \u017eelvu\u0161ky a hypoteticky ani pro \u017e\u00e1dn\u00fd jin\u00fd organismus. David Sloane, Rafael Alves Batista a Abraham Loeb tedy jako nejre\u00e1ln\u011bj\u0161\u00ed mo\u017enou variantu pova\u017euj\u00ed prudk\u00e9 zv\u00fd\u0161en\u00ed teploty, ke kter\u00e9mu by do\u0161lo po \u010d\u00e1ste\u010dn\u00e9 nebo \u00fapln\u00e9 ztr\u00e1t\u011b atmosf\u00e9ry.                                                                                                                                                                                                                                                                                                                                                                                        4.6\/5 - (8 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Jak re\u00e1ln\u011b vyhubit ve\u0161ker\u00fd \u017eivot na zemi?","item":"https:\/\/www.praam.cz\/jak-realne-vyhubit-veskery-zivot-na-zemi\/#breadcrumbitem"}]}]