[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.tukar.cz\/jak-gravitace-ovlivnuje-cas\/#Article","mainEntityOfPage":"https:\/\/www.tukar.cz\/jak-gravitace-ovlivnuje-cas\/","headline":"Jak gravitace ovliv\u0148uje \u010das","name":"Jak gravitace ovliv\u0148uje \u010das","description":"\u010cas je n\u011bco, co vn\u00edm\u00e1me jako n\u011bco naprosto nem\u011bnn\u00e9ho. Plyne stejn\u011b, a\u0165 u\u017e jsme kdekoliv. Tak by se to alespo\u0148 mohlo na prvn\u00ed pohled zd\u00e1t. Mo\u017en\u00e1 v\u00e1s ale p\u0159ekvap\u00ed, \u017ee tomu tak ve skute\u010dnosti nen\u00ed. Rychlost […]","datePublished":"2023-02-07","dateModified":"2023-05-02","author":{"@type":"Person","@id":"https:\/\/www.tukar.cz\/author\/#Person","name":"","url":"https:\/\/www.tukar.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/087c2e57f451bc02fa8017914855d7c40cf6c7d5dc1637b868e007adc26322d1?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/087c2e57f451bc02fa8017914855d7c40cf6c7d5dc1637b868e007adc26322d1?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"tukar.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.tukar.cz\/wp-content\/uploads\/gravitace3.png","url":"https:\/\/www.tukar.cz\/wp-content\/uploads\/gravitace3.png","height":0,"width":0},"url":"https:\/\/www.tukar.cz\/jak-gravitace-ovlivnuje-cas\/","about":["V\u011bda"],"wordCount":439,"articleBody":"\u010cas je n\u011bco, co vn\u00edm\u00e1me jako n\u011bco naprosto nem\u011bnn\u00e9ho. Plyne stejn\u011b, a\u0165 u\u017e jsme kdekoliv. Tak by se to alespo\u0148 mohlo na prvn\u00ed pohled zd\u00e1t. Mo\u017en\u00e1 v\u00e1s ale p\u0159ekvap\u00ed, \u017ee tomu tak ve skute\u010dnosti nen\u00ed. Rychlost jeho toku je toti\u017e z\u00e1visl\u00e1 na mnoha faktorech, a jedn\u00edm z\u00a0t\u011bch nejd\u016fle\u017eit\u011bj\u0161\u00edch je gravitace.\u00a0\u00a0To se n\u00e1m m\u016f\u017ee zd\u00e1t zvl\u00e1\u0161tn\u00ed. Koneckonc\u016f, jak by mohla tato p\u0159ita\u017eliv\u00e1 s\u00edla, kterou dob\u0159e zn\u00e1 ka\u017ed\u00fd z\u00a0n\u00e1s ovliv\u0148ovat plynut\u00ed \u010dasu? Mnoho lid\u00ed v\u0161ak nev\u00ed, \u017ee gravita\u010dn\u00ed s\u00edla p\u016fsob\u00ed v\u00a0podstat\u011b tak, \u017ee zak\u0159ivuje \u010dasoprostor. A \u010d\u00edm siln\u011bj\u0161\u00ed je, t\u00edm siln\u011bj\u0161\u00ed je i toto zak\u0159iven\u00ed. My jej nej\u010dast\u011bji vn\u00edm\u00e1me jako p\u0159ita\u017elivou s\u00edlu, av\u0161ak to rozhodn\u011b nen\u00ed v\u0161e, co dok\u00e1\u017ee.\u00a0Typick\u00fdm p\u0159\u00edkladem jsou \u010dern\u00e9 d\u00edry, tedy objekty s\u00a0velmi silnou gravita\u010dn\u00ed silou, kter\u00e9 neunikne dokonce ani sv\u011btlo. A pr\u00e1v\u011b zde je \u010dasoprostor velmi siln\u011b zak\u0159iven. Pokud bychom do n\u00ed vstoupili, nejen\u017ee bychom byli zna\u010dn\u011b zdeformovan\u00ed (pro to se v\u017eil velmi p\u0159\u00edhodn\u00fd term\u00edn \u201e\u0161pagetifikace\u201c), ale tak\u00e9 \u010das by plynul jinak.\u00a0\u00a0Tento efekt v\u0161ak m\u016f\u017eeme, by\u0165 ve velmi mal\u00e9 m\u00ed\u0159e, pozorovat i na na\u0161\u00ed Zemi. Bylo toti\u017e zji\u0161t\u011bno, \u017ee u hladiny mo\u0159e plyne \u010das o n\u011bco pomaleji, ne\u017e ve velehor\u00e1ch. P\u0159i jednom pokusu byly pou\u017eity dvoje identick\u00e9 atomov\u00e9 hodiny, ty nejp\u0159esn\u011bj\u0161\u00ed, kter\u00e9 m\u00e1me k\u00a0dispozici a kter\u00e9 dok\u00e1\u017eou m\u011b\u0159it i velmi mal\u00e9 zlomky sekund. Tyto byly nastaveny na p\u0159esn\u011b toto\u017en\u00fd \u010das, a n\u00e1sledn\u011b byly jedny odvezeny pr\u00e1v\u011b k\u00a0mo\u0159i a druh\u00e9 do velehor. Netrvalo dlouho a za\u010daly se rozch\u00e1zet \u2013 ty u mo\u0159e se za\u010daly opo\u017e\u010fovat, by\u0165 skute\u010dn\u011b jen o jinak nem\u011b\u0159iteln\u00fd zlomek sekundy, oproti t\u011bm v\u00a0hor\u00e1ch.\u00a0Samoz\u0159ejm\u011b, rozd\u00edl je tak mal\u00fd, \u017ee by trvalo mnohem d\u00e9le ne\u017e jeden lidsk\u00fd \u017eivot, ne\u017e bychom jej skute\u010dn\u011b n\u011bjak poc\u00edtili. Pokud bychom nap\u0159\u00edklad vzali identick\u00e1 dvoj\u010data a jedno nechali str\u00e1vit cel\u00fd \u017eivot u mo\u0159e a druh\u00e9 v\u00a0hor\u00e1ch, i v\u00a0jejich velmi pokro\u010dil\u00e9m v\u011bku by rozd\u00edl byl nerozpoznateln\u00fd.\u00a0P\u0159esto nen\u00ed pochyb o tom, \u017ee \u010das nen\u00ed tak konstantn\u00ed a pevn\u011b dan\u00fd, jak si v\u011bt\u0161ina lid\u00ed mysl\u00ed. A to je rozhodn\u011b dobr\u00e9 m\u00edt na pam\u011bti.                                                                                                                                                                                                                                                                                                                                                                                                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