[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.grubin.cz\/proc-se-zeme-otaci\/#Article","mainEntityOfPage":"https:\/\/www.grubin.cz\/proc-se-zeme-otaci\/","headline":"Pro\u010d se Zem\u011b ot\u00e1\u010d\u00ed","name":"Pro\u010d se Zem\u011b ot\u00e1\u010d\u00ed","description":"O tom, \u017ee Zem\u011b je v\u00a0pohybu, v\u011bd\u011bli ji\u017e sta\u0159\u00ed \u0158ekov\u00e9. Dnes samoz\u0159ejm\u011b m\u00e1me i jin\u00e9 d\u016fkazy, nap\u0159\u00edklad data z\u00a0nejr\u016fzn\u011bj\u0161\u00edch satelit\u016f, stejn\u011b jako pozorov\u00e1n\u00ed astronaut\u016f. V\u00edme tedy, \u017ee m\u00e1 dva z\u00e1kladn\u00ed pohyby: ob\u00edh\u00e1 kolem Slunce a z\u00e1rove\u0148 se ot\u00e1\u010d\u00ed kolem sv\u00e9 osy. To v\u0161e m\u00e1 spole\u010dn\u00e9 s\u00a0ostatn\u00edmi planetami slune\u010dn\u00ed soustavy. Zde je ale dobr\u00e9 pt\u00e1t se, ... <a title=\"Pro\u010d se Zem\u011b ot\u00e1\u010d\u00ed\" class=\"read-more\" href=\"https:\/\/www.grubin.cz\/proc-se-zeme-otaci\/\">Read more<span class=\"screen-reader-text\">Pro\u010d se Zem\u011b ot\u00e1\u010d\u00ed<\/span><\/a>","datePublished":"2023-11-08","dateModified":"2023-11-08","author":{"@type":"Person","@id":"https:\/\/www.grubin.cz\/author\/#Person","name":"","url":"https:\/\/www.grubin.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/11f8c6ff4d174e1ebef1d6401491d0892ff6534e7a3312fbf752a8f90a4375cd?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/11f8c6ff4d174e1ebef1d6401491d0892ff6534e7a3312fbf752a8f90a4375cd?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"grubin.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.grubin.cz\/wp-content\/uploads\/slunce3_8.jpg","url":"https:\/\/www.grubin.cz\/wp-content\/uploads\/slunce3_8.jpg","height":0,"width":0},"url":"https:\/\/www.grubin.cz\/proc-se-zeme-otaci\/","about":["V\u011bda"],"wordCount":417,"articleBody":"O tom, \u017ee Zem\u011b je v\u00a0pohybu, v\u011bd\u011bli ji\u017e sta\u0159\u00ed \u0158ekov\u00e9. Dnes samoz\u0159ejm\u011b m\u00e1me i jin\u00e9 d\u016fkazy, nap\u0159\u00edklad data z\u00a0nejr\u016fzn\u011bj\u0161\u00edch satelit\u016f, stejn\u011b jako pozorov\u00e1n\u00ed astronaut\u016f. V\u00edme tedy, \u017ee m\u00e1 dva z\u00e1kladn\u00ed pohyby: ob\u00edh\u00e1 kolem Slunce a z\u00e1rove\u0148 se ot\u00e1\u010d\u00ed kolem sv\u00e9 osy. To v\u0161e m\u00e1 spole\u010dn\u00e9 s\u00a0ostatn\u00edmi planetami slune\u010dn\u00ed soustavy. Zde je ale dobr\u00e9 pt\u00e1t se, pro\u010d je vlastn\u011b v\u00a0pohybu. Jak\u00e1 s\u00edla ji do n\u011bj uv\u00e1d\u00ed, a jak je mo\u017en\u00e9, \u017ee se nezastavila?\u00a0\u00a0Abychom tomu porozum\u011bli, mus\u00edme se pod\u00edvat na samotn\u00fd po\u010d\u00e1tek vzniku planet. Kdy\u017e tehdy vznikaly spojov\u00e1n\u00edm nejr\u016fzn\u011bj\u0161\u00edch prvk\u016f, kter\u00e9 zbytky po p\u0159edchoz\u00ed hv\u011bzd\u011b, ty nejt\u011b\u017e\u0161\u00ed se za\u010daly koncentrovat jako prvn\u00ed, a vznikalo j\u00e1dro planety. Tento proces v\u0161ak neprob\u00edhal ani zdaleka rovnom\u011brn\u011b. A pr\u00e1v\u011b rozd\u00edln\u00e1 v\u00e1ha zp\u016fsobila, \u017ee se za\u010dalo nat\u00e1\u010det svou nejt\u011b\u017e\u0161\u00ed stranou ke zdroji gravitace, tedy Slunci. Ov\u0161em ta nejt\u011b\u017e\u0161\u00ed \u010d\u00e1st se neust\u00e1le m\u011bnila, co\u017e zp\u016fsobilo, spolu se \u017ehav\u00fdmi teplotami, \u017ee se gravita\u010dn\u00ed centrum Zem\u011b neust\u00e1le m\u011bnilo. Tak se za\u010dalo ot\u00e1\u010det.\u00a0Jak se postupn\u011b nabalovaly dal\u0161\u00ed prvky a Zem\u011b rostla, rotace se ust\u00e1lila. A vzhledem k\u00a0n\u00e1klonu zemsk\u00e9 osy se za\u010dal tak\u00e9 projevovat ob\u011bh kolem Slunce. Ani to toti\u017e nen\u00ed st\u00e1l\u00e9, jak ostatn\u011b m\u016f\u017eeme pozorovat nap\u0159\u00edklad na jeho skvrn\u00e1ch. Jak se v\u0161ak situace v\u00a0na\u0161em kout\u011b vesm\u00edru zklid\u0148ovala, stabilizoval se i tento pohyb. Dnes se tedy Zem\u011b oto\u010d\u00ed kolem sv\u00e9 osy p\u0159ibli\u017en\u011b za 24 hodin, zat\u00edmco kolem Slunce ob\u011bhne za 365,25 dne.\u00a0\u00a0Pro\u010d se ale nezastav\u00ed? Z\u00e1kony fyziky n\u00e1m \u0159\u00edkaj\u00ed, \u017ee t\u011bleso v\u00a0pohybu se po \u010dase zastav\u00ed, pokud jej n\u011bjak\u00e1 s\u00edla nebude neust\u00e1le v\u00a0pohybu udr\u017eovat. Jak je mo\u017en\u00e9, \u017ee planet\u00e1m se to je\u0161t\u011b nestalo? A tady je pr\u00e1v\u011b ta legra\u010dn\u00ed \u010d\u00e1st \u2013 ono se to d\u011bje. Den v\u00a0dob\u011b dinosaur\u016f byl nap\u0159\u00edklad t\u00e9m\u011b\u0159 o hodinu krat\u0161\u00ed, ne\u017e jak jej zn\u00e1me my. Ov\u0161em vzhledem k\u00a0velikosti cel\u00e9ho syst\u00e9mu toto zastavov\u00e1n\u00ed prob\u00edh\u00e1 jen velmi pomalu, a je velmi pravd\u011bpodobn\u00e9, \u017ee Slunci skon\u010d\u00ed \u017eivotnost d\u0159\u00edv, ne\u017e k\u00a0tomu dojde. V\u00a0tomto ohledu se tedy nem\u00e1me \u010deho b\u00e1t.                                                                                                                                                                                                                                                                                                                                                                                        4.4\/5 - (7 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Pro\u010d se Zem\u011b ot\u00e1\u010d\u00ed","item":"https:\/\/www.grubin.cz\/proc-se-zeme-otaci\/#breadcrumbitem"}]}]