[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.starweg.cz\/jak-vznikly-planety\/#Article","mainEntityOfPage":"https:\/\/www.starweg.cz\/jak-vznikly-planety\/","headline":"Jak vznikly planety","name":"Jak vznikly planety","description":"Dnes je obecn\u011b p\u0159ij\u00edm\u00e1no, \u017ee vesm\u00edr za\u010dal velk\u00fdm t\u0159eskem. Kr\u00e1tce po n\u011bm se za\u010daly protony, elektrony a neutrony, kter\u00e9 b\u011bhem n\u011bj vznikly, spojovat do jednoduch\u00fdch atom\u016f. Prvn\u00edmi byly samoz\u0159ejm\u011b atomy vod\u00edku a h\u00e9lia, kter\u00e9 jsou nejjednodu\u0161\u0161\u00ed. Dodnes jich ve vesm\u00edru najdeme nejv\u00edce. Jak ale vznikly ty ostatn\u00ed? \u00a0 Pokud se pod\u00edv\u00e1me na periodickou tabulku, zjist\u00edme, […]","datePublished":"2022-06-02","dateModified":"2022-06-02","author":{"@type":"Person","@id":"https:\/\/www.starweg.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.starweg.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/014a645f9f16d49aceddb25e316448c724bd78e7db0ee7a34c29417d5ca39ef1?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/014a645f9f16d49aceddb25e316448c724bd78e7db0ee7a34c29417d5ca39ef1?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"starweg.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.starweg.cz\/wp-content\/uploads\/slunce3_2.jpg","url":"https:\/\/www.starweg.cz\/wp-content\/uploads\/slunce3_2.jpg","height":0,"width":0},"url":"https:\/\/www.starweg.cz\/jak-vznikly-planety\/","about":["V\u011bda"],"wordCount":415,"articleBody":"Dnes je obecn\u011b p\u0159ij\u00edm\u00e1no, \u017ee vesm\u00edr za\u010dal velk\u00fdm t\u0159eskem. Kr\u00e1tce po n\u011bm se za\u010daly protony, elektrony a neutrony, kter\u00e9 b\u011bhem n\u011bj vznikly, spojovat do jednoduch\u00fdch atom\u016f. Prvn\u00edmi byly samoz\u0159ejm\u011b atomy vod\u00edku a h\u00e9lia, kter\u00e9 jsou nejjednodu\u0161\u0161\u00ed. Dodnes jich ve vesm\u00edru najdeme nejv\u00edce. Jak ale vznikly ty ostatn\u00ed?\u00a0Pokud se pod\u00edv\u00e1me na periodickou tabulku, zjist\u00edme, \u017ee existuje 92 prvk\u016f, kter\u00e9 m\u016f\u017eeme naj\u00edt (zbytek je um\u011ble vytvo\u0159en lidmi). Ty pak tvo\u0159\u00ed planety, v\u010detn\u011b t\u00e9 na\u0161\u00ed. Proces jejich v\u00fdvoje v\u0161ak byl m\u00edrn\u011b \u0159e\u010deno bou\u0159liv\u00fd.\u00a0\u00a0P\u016fvodn\u00ed vod\u00edk a h\u00e9lium se za\u010daly na mnoha m\u00edstech postupn\u011b zhu\u0161\u0165ovat, a\u017e vytvo\u0159ily z\u00e1rodky prvn\u00edch galaxi\u00ed a pozd\u011bji i hv\u011bzd. Ty koneckonc\u016f nejsou nic jin\u00e9ho, ne\u017e ob\u0159\u00ed jadern\u00e9 reaktory, kter\u00e9 p\u0159etv\u00e1\u0159\u00ed h\u00e9lium na vod\u00edk. K\u00a0tomu je samoz\u0159ejm\u011b pot\u0159eba velk\u00e9 mno\u017estv\u00ed energie. Ov\u0161em k\u00a0tomu, aby byly vytvo\u0159eny i dal\u0161\u00ed prvky, je j\u00ed pot\u0159eba mnohem v\u00edce. Kde se tedy vzala?\u00a0Odpov\u011b\u010f je, \u017ee p\u0159i v\u00fdbuchu supernov. Mnoh\u00e9 hv\u011bzdy se nakonec stanou supernovami, kter\u00e9 posl\u00e9ze vybuchnou. V\u00a0tu chv\u00edli je uvoln\u011bno tak\u0159ka neuv\u011b\u0159iteln\u00e9 mno\u017estv\u00ed energie spolu s\u00a0materi\u00e1lem, kter\u00fd p\u0159edt\u00edm onu hv\u011bzdu tvo\u0159il. D\u00edky tomu pak vzniknou i ostatn\u00ed prvky.\u00a0\u00a0\u010casto se pak stane, \u017ee jsou tyto zachyceny v\u00a0gravita\u010dn\u00edm poli jin\u00e9 hv\u011bzdy. Dostanou se tedy na jej\u00ed ob\u011b\u017enou dr\u00e1hu. Ov\u0161em tyto maj\u00ed tak\u00e9 svou vlastn\u00ed p\u0159ita\u017elivost, tak\u017ee ty nejt\u011b\u017e\u0161\u00ed pak k\u00a0sob\u011b p\u0159it\u00e1hnou prvky leh\u010d\u00ed. Tak nakonec vzniknou planety, a je to tak\u00e9 d\u016fvod, pro\u010d m\u00e1 valn\u00e1 v\u011bt\u0161ina z\u00a0nich t\u011b\u017ek\u00e9 \u017eelezn\u00e9 j\u00e1dro.\u00a0Ov\u0161em tyto prvky netvo\u0159\u00ed jen planety samotn\u00e9, ale tak\u00e9 v\u0161e na nich. V\u010detn\u011b \u017eiv\u00fdch organism\u016f na planet\u011b Zemi. Zjednodu\u0161en\u011b by se tedy dalo \u0159\u00edci, \u017ee nejsme v\u00a0podstat\u011b nic jin\u00e9ho, ne\u017e kosmick\u00fd prach, kter\u00fd byl silou gravitace p\u0159ita\u017een na jedno m\u00edsto.\u00a0Je to rozhodn\u011b velmi zaj\u00edmav\u00e1 p\u0159edstava a ukazuje n\u00e1m, jak mocn\u00e9 fyzik\u00e1ln\u00ed s\u00edly skute\u010dn\u011b jsou. A a\u010dkoliv je je\u0161t\u011b mnoho, co o vesm\u00edru nev\u00edme, m\u016f\u017eeme si b\u00fdt jisti, \u017ee jsme jeho sou\u010d\u00e1st\u00ed.                                                                                                                                                                                                                                                                                                                                                                                        4\/5 - (1 vote)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Jak vznikly planety","item":"https:\/\/www.starweg.cz\/jak-vznikly-planety\/#breadcrumbitem"}]}]