[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.gentoo.cz\/mimozemske-civilizace-mohou-vyuzivat-energii-z-cernych-der-vedci-je-chteji-najit\/#Article","mainEntityOfPage":"https:\/\/www.gentoo.cz\/mimozemske-civilizace-mohou-vyuzivat-energii-z-cernych-der-vedci-je-chteji-najit\/","headline":"Mimozemsk\u00e9 civilizace mohou vyu\u017e\u00edvat energii z \u010dern\u00fdch d\u011br \u2013 v\u011bdci je cht\u011bj\u00ed naj\u00edt","name":"Mimozemsk\u00e9 civilizace mohou vyu\u017e\u00edvat energii z \u010dern\u00fdch d\u011br \u2013 v\u011bdci je cht\u011bj\u00ed naj\u00edt","description":"Existuj\u00ed mimozemsk\u00e9 civilizace nebo ne? Odpov\u011bdi v\u011bdc\u016f se r\u016fzn\u00ed. Faktem je, \u017ee zkr\u00e1tka nev\u00edme. Pakli\u017ee […]","datePublished":"2021-09-02","dateModified":"2023-05-04","author":{"@type":"Person","@id":"https:\/\/www.gentoo.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.gentoo.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/9514fe8d0d5bc6f8b5e285c47f6d71536ab35446ffb077fff11f6ca1fa8b00ce?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/9514fe8d0d5bc6f8b5e285c47f6d71536ab35446ffb077fff11f6ca1fa8b00ce?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"gentoo.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.gentoo.cz\/wp-content\/uploads\/dysonova%20sf%C3%A9ra.jpg","url":"https:\/\/www.gentoo.cz\/wp-content\/uploads\/dysonova%20sf%C3%A9ra.jpg","height":0,"width":0},"url":"https:\/\/www.gentoo.cz\/mimozemske-civilizace-mohou-vyuzivat-energii-z-cernych-der-vedci-je-chteji-najit\/","about":["V\u011bda"],"wordCount":531,"articleBody":"Existuj\u00ed mimozemsk\u00e9 civilizace nebo ne? Odpov\u011bdi v\u011bdc\u016f se r\u016fzn\u00ed. Faktem je, \u017ee zkr\u00e1tka nev\u00edme. Pakli\u017ee by se v\u0161ak v dohledn\u00e9m vesm\u00edru nach\u00e1zely velmi pokro\u010dil\u00e9 spole\u010dnosti, ur\u010dit\u011b by pot\u0159ebovaly ke sv\u00e9mu \u017eivotu a technologii velkou spoustu energie. Kde nen\u00ed energie, nen\u00ed civilizace. A energii by mohli \u010derpat z \u010dern\u00fdch d\u011br, tvrd\u00ed v\u011bdci z Tchaj-wanu. A to bychom mohli zachytit.\u010cern\u00e1 d\u00edra v krabi\u010dce\u010cern\u00e1 d\u00edra je n\u00e1zev pro masivn\u00ed vesm\u00edrn\u00fd objekt, kter\u00fd pohlcuje ve\u0161kerou hmotu kolem sebe. D\u00edky tomu jsou tak\u00e9 jedn\u00edm z nejsiln\u011bj\u0161\u00edch a tak\u00e9 nejstabiln\u011bj\u0161\u00edch zdroj\u016f energie, kter\u00e9 lze ve vesm\u00edru nal\u00e9zt. Jestli\u017ee by existovala velmi vysp\u011bl\u00e1 civilizace, kter\u00e1 by m\u011bla dostate\u010dn\u011b odoln\u00e9 materi\u00e1ly, mohla by tuto energii uv\u011bznit a vyu\u017e\u00edt ji pro sv\u016fj rozvoj a prosperitu. To je premisa v\u011bdc\u016f z N\u00e1rodn\u00ed univerzity Tsing Hua na Tchaj-wanu.Jedn\u00edm z mo\u017en\u00fdch \u0159e\u0161en\u00ed technologick\u00e9ho probl\u00e9mu \u010derp\u00e1n\u00ed energie z \u010dern\u00fdch d\u011br je, podle p\u0159edpov\u011bdi v\u00fdzkumn\u00edk\u016f, koncept zvan\u00fd Dysonova koule \u010di Dysonova sf\u00e9ra. Je to ob\u0159\u00ed in\u017een\u00fdrsk\u00fd projekt, jeho\u017e c\u00edlem je zapouzd\u0159it celou hv\u011bzdu (v na\u0161em p\u0159\u00edpad\u011b tedy \u010dernou d\u00edru) do um\u011bl\u00e9ho obalu, kter\u00fd je schopen zachytit ve\u0161kerou energii, kterou objekt ze sv\u00e9ho nitra vyza\u0159uje.Fyzik\u00e1ln\u00ed z\u00e1kony v\u0161ak p\u0159eklenout nelze, a tak by i tak vysp\u011bl\u00e1 technologie trp\u011bla do ur\u010dit\u00e9 m\u00edry energetick\u00fdmi ztr\u00e1tami \u2013 kter\u00e9 bychom byli schopni s pomoc\u00ed teleskop\u016f zachytit.Ani ti nejlep\u0161\u00ed neohnou fyzikuZapouzd\u0159en\u00ed \u010dern\u00e9 d\u00edry ale nen\u00ed snadn\u00fd \u00fakol. Vy\u017eadovalo by to zvl\u00e1dnut\u00ed v\u00fdroby velmi pokro\u010dil\u00fdch materi\u00e1l\u016f, kter\u00e9 by vydr\u017eely n\u00e1por energie bez ztr\u00e1ty vlastn\u00ed integrity. I p\u0159esto by ale do ur\u010dit\u00e9 m\u00edry trp\u011bla energetick\u00fdmi ztr\u00e1tami, kter\u00e9 by ve form\u011b tepla vyza\u0159ovala do okoln\u00edho vesm\u00edru.Sama uzav\u0159en\u00e1 \u010dern\u00e1 d\u00edra by nikdy nebyla pro okoln\u00ed sv\u011bt odhaliteln\u00e1. D\u00edky tepeln\u00fdm ztr\u00e1t\u00e1m by se v\u0161ak i pro na\u0161e pozemsk\u00e9 astronomy stala detekovatelnou z\u00e1\u0159\u00edc\u00ed koul\u00ed. Teplo toti\u017e nen\u00ed pro v\u011bdce nic jin\u00e9ho ne\u017e dal\u0161\u00ed forma sv\u011btla, konkr\u00e9tn\u011b infra\u010derven\u00e9ho spektra. A to jsme schopni i na\u0161\u00ed \u201enepokro\u010dilou\u201c pozorovac\u00ed technikou zachytit i na velmi dlouh\u00e9 vzd\u00e1lenosti.Znovu prozkoumat galaxiiTeoretick\u00e1 pr\u00e1ce tchaj-wansk\u00fdch astronom\u016f tak zakl\u00e1d\u00e1 nov\u00fd \u00fakol pro pozorovatele vzd\u00e1len\u00e9ho vesm\u00edru. A\u010dkoliv dosud neexistuj\u00ed \u017e\u00e1dn\u00e9 d\u016fkazy o existenci takov\u00e9 struktury, vyz\u00fdvaj\u00ed v\u011bdci k op\u011btovn\u00e9mu prozkoum\u00e1n\u00ed dat nashrom\u00e1\u017ed\u011bn\u00fdch ob\u0159\u00edmi teleskopy, jako je infra\u010derven\u00fd teleskop Sloan Digital Sky survey, kter\u00e9 vid\u00ed asi do t\u0159etiny vzd\u00e1lenosti p\u0159es celou Ml\u00e9\u010dnou dr\u00e1hu, a je\u0161t\u011b jednou zkontrolovat, zda nevych\u00e1z\u00ed teplo z m\u00edst, kde by nem\u011blo co d\u011blat. Byl by to z\u00e1sadn\u00ed a p\u0159evratn\u00fd objev.                                                                                                                                                                                                                                                                                                                                                                                                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