[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.jifas.cz\/proc-na-slunci-neni-ohen\/#Article","mainEntityOfPage":"https:\/\/www.jifas.cz\/proc-na-slunci-neni-ohen\/","headline":"Pro\u010d na Slunci nen\u00ed ohe\u0148","name":"Pro\u010d na Slunci nen\u00ed ohe\u0148","description":"Pokud se n&Auml;&#8250;koho zept&Atilde;&iexcl;te na nejobvyklej&Aring;&iexcl;&Atilde;&shy; p&Aring;&#8482;edstavu Slunce, v&Auml;&#8250;t&Aring;&iexcl;inou se bude jednat o obrovskou ho&Aring;&#8482;&Atilde;&shy;c&Atilde;&shy; kouli. To je v&Aring;&iexcl;ak od pravdy na m&Atilde;&shy;le vzd&Atilde;&iexcl;leno. Ve skute&Auml;nosti zde toti&Aring;&frac34; dokonce ani nenajdeme ohe&Aring;&#710;. Jak tedy tato p&Aring;&#8482;edstava vlastn&Auml;&#8250; vznikla? &Acirc;&nbsp; Jednodu&Aring;&iexcl;e proto, &Aring;&frac34;e pr&Atilde;&iexcl;v&Auml;&#8250; ohe&Aring;&#710; byl pro na&Aring;&iexcl;e p&Aring;&#8482;edky prakticky jedin&Atilde;&frac12;m zdrojem sv&Auml;&#8250;tla, a nedovedli si [&hellip;]","datePublished":"2023-09-28","dateModified":"2024-01-02","author":{"@type":"Person","@id":"https:\/\/www.jifas.cz\/author\/#Person","name":"","url":"https:\/\/www.jifas.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/c36ac855b1ee9cce96e09824fb5426d6eaccd04233fbf51e04e067ccd1b5fe13?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/c36ac855b1ee9cce96e09824fb5426d6eaccd04233fbf51e04e067ccd1b5fe13?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"jifas.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.jifas.cz\/wp-content\/uploads\/slunce3_5.jpg","url":"https:\/\/www.jifas.cz\/wp-content\/uploads\/slunce3_5.jpg","height":0,"width":0},"url":"https:\/\/www.jifas.cz\/proc-na-slunci-neni-ohen\/","about":["V\u011bda"],"wordCount":811,"articleBody":"Pokud se n&Auml;&#8250;koho zept&Atilde;&iexcl;te na nejobvyklej&Aring;&iexcl;&Atilde;&shy; p&Aring;&#8482;edstavu Slunce, v&Auml;&#8250;t&Aring;&iexcl;inou se bude jednat o obrovskou ho&Aring;&#8482;&Atilde;&shy;c&Atilde;&shy; kouli. To je v&Aring;&iexcl;ak od pravdy na m&Atilde;&shy;le vzd&Atilde;&iexcl;leno. Ve skute&Auml;nosti zde toti&Aring;&frac34; dokonce ani nenajdeme ohe&Aring;&#710;. Jak tedy tato p&Aring;&#8482;edstava vlastn&Auml;&#8250; vznikla?&Acirc;&nbsp;Jednodu&Aring;&iexcl;e proto, &Aring;&frac34;e pr&Atilde;&iexcl;v&Auml;&#8250; ohe&Aring;&#710; byl pro na&Aring;&iexcl;e p&Aring;&#8482;edky prakticky jedin&Atilde;&frac12;m zdrojem sv&Auml;&#8250;tla, a nedovedli si p&Aring;&#8482;edstavit, &Aring;&frac34;e n&Auml;&#8250;co dovede sv&Atilde;&shy;tit a z&Atilde;&iexcl;rove&Aring;&#710; h&Aring;&#8482;&Atilde;&iexcl;t, ani&Aring;&frac34; by to ho&Aring;&#8482;elo. Tento instinkt je v&Acirc;&nbsp;n&Atilde;&iexcl;s tak pevn&Auml;&#8250; zako&Aring;&#8482;en&Auml;&#8250;n&Atilde;&frac12;, &Aring;&frac34;e je uplat&Aring;&#710;ujeme i dnes navzdory v&Auml;&#8250;deck&Atilde;&copy;mu pokroku a r&Aring;&macr;zn&Atilde;&frac12;m sv&Auml;&#8250;teln&Atilde;&frac12;m zdroj&Aring;&macr;m, kter&Atilde;&copy; jsme od t&Atilde;&copy; doby vynalezli.&Acirc;&nbsp;&Acirc;&nbsp;Kdy&Aring;&frac34; se v&Aring;&iexcl;ak nad celou v&Auml;&#8250;c&Atilde;&shy; zamysl&Atilde;&shy;me, zjist&Atilde;&shy;me, &Aring;&frac34;e zde ho&Aring;&#8482;et ani nem&Aring;&macr;&Aring;&frac34;e. Nen&Atilde;&shy; zde toti&Aring;&frac34; &Aring;&frac34;&Atilde;&iexcl;dn&Atilde;&frac12; kysl&Atilde;&shy;k, kter&Atilde;&frac12; ohe&Aring;&#710; bezpodm&Atilde;&shy;ne&Auml;n&Auml;&#8250; pot&Aring;&#8482;ebuje. Sv&Auml;&#8250;teln&Atilde;&frac12; zdroj, kter&Atilde;&frac12; se zde uplat&Aring;&#710;uje, je toti&Aring;&frac34; &Atilde;&ordm;pln&Auml;&#8250; jin&Atilde;&frac12; a ve vesm&Atilde;&shy;ru mnohem obvyklej&Aring;&iexcl;&Atilde;&shy;, ne&Aring;&frac34; je pr&Atilde;&iexcl;v&Auml;&#8250; ohe&Aring;&#710;.&Acirc;&nbsp;T&Atilde;&shy;m n&Auml;&#8250;&Auml;&Atilde;&shy;m je jadern&Atilde;&iexcl; reakce. Jist&Auml;&#8250;, m&Aring;&macr;&Aring;&frac34;eme &Aring;&#8482;&Atilde;&shy;ci, &Aring;&frac34;e tu p&Aring;&#8482;eci vid&Auml;&#8250;t nem&Aring;&macr;&Aring;&frac34;eme. To v&Aring;&iexcl;ak nen&Atilde;&shy; tak docela pravda. Sta&Auml;&Atilde;&shy; si vzpomenout na oslepuj&Atilde;&shy;c&Atilde;&shy; z&Atilde;&iexcl;blesk po detonaci jadern&Atilde;&copy; bomby a neskute&Auml;n&Atilde;&copy; teplo, kter&Atilde;&copy; v&Acirc;&nbsp;bl&Atilde;&shy;zk&Atilde;&copy;m okol&Atilde;&shy; dan&Atilde;&copy;ho m&Atilde;&shy;sta vznikne. Zde se jedn&Atilde;&iexcl; o ten sam&Atilde;&frac12; princip, pouze s&Acirc;&nbsp;t&Atilde;&shy;m rozd&Atilde;&shy;lem, &Aring;&frac34;e ona &acirc;&#8364;&#382;detonace&acirc;&#8364;&#339; prob&Atilde;&shy;h&Atilde;&iexcl; v&Acirc;&nbsp;podstat&Auml;&#8250; neust&Atilde;&iexcl;le, a tak&Atilde;&copy; v&Acirc;&nbsp;mnohem, mnohem v&Auml;&#8250;t&Aring;&iexcl;&Atilde;&shy;m m&Auml;&#8250;&Aring;&#8482;&Atilde;&shy;tku. To je tak&Atilde;&copy; d&Aring;&macr;vod, pro&Auml; sv&Auml;&#8250;tlo a teplo dok&Atilde;&iexcl;&Aring;&frac34;e doputovat a&Aring;&frac34; k&Acirc;&nbsp;n&Atilde;&iexcl;m, a&Auml;koliv jsme miliony kilometr&Aring;&macr; vzd&Atilde;&iexcl;leni.&Acirc;&nbsp;&Acirc;&nbsp;Ov&Aring;&iexcl;em sou&Auml;&Atilde;&iexcl;st&Atilde;&shy; v&Atilde;&frac12;buchu atomov&Atilde;&copy; bomby je tak&Atilde;&copy; obrovsk&Atilde;&frac12; hluk. A je pravdou, &Aring;&frac34;e i Slunce vyd&Atilde;&iexcl;v&Atilde;&iexcl; takov&Atilde;&frac12; r&Atilde;&iexcl;mus, kter&Atilde;&frac12; by byl ohlu&Aring;&iexcl;uj&Atilde;&shy;c&Atilde;&shy; i na na&Aring;&iexcl;&Atilde;&shy; planet&Auml;&#8250;, pokud bychom jej sly&Aring;&iexcl;eli. U&Aring;&iexcl;et&Aring;&#8482;eni jsme toho pouze proto, &Aring;&frac34;e ve vakuu se nem&Atilde;&iexcl; zvuk jak &Aring;&iexcl;&Atilde;&shy;&Aring;&#8482;it.&Acirc;&nbsp;Je tedy jasn&Atilde;&copy;, &Aring;&frac34;e Slunce rozhodn&Auml;&#8250; nen&Atilde;&shy; jen ho&Aring;&#8482;&Atilde;&shy;c&Atilde;&shy; koul&Atilde;&shy;, kter&Atilde;&iexcl; se pohybuje po obloze. Ve skute&Auml;nosti jde o jadern&Atilde;&frac12; reaktor, kter&Atilde;&frac12; n&Atilde;&iexcl;m sice poskytuje sv&Auml;&#8250;tlo a teplo, ale z&Atilde;&iexcl;rove&Aring;&#710; m&Aring;&macr;&Aring;&frac34;e b&Atilde;&frac12;t tak&Atilde;&copy; nebezpe&Auml;n&Atilde;&frac12;. Pr&Atilde;&iexcl;v&Auml;&#8250; slune&Auml;n&Atilde;&shy; radiace je toti&Aring;&frac34; z&Acirc;&nbsp;velk&Atilde;&copy; &Auml;&Atilde;&iexcl;sti zodpov&Auml;&#8250;dn&Atilde;&iexcl; za rakovinu k&Aring;&macr;&Aring;&frac34;e &acirc;&#8364;&#8220; a t&Atilde;&copy; se chce ka&Aring;&frac34;d&Atilde;&frac12; z&Acirc;&nbsp;n&Atilde;&iexcl;s vyhnout.                                                                                                                                                                                                                                                                                                                                                                                        4.2\/5 - (6 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Pro\u010d na Slunci nen\u00ed ohe\u0148","item":"https:\/\/www.jifas.cz\/proc-na-slunci-neni-ohen\/#breadcrumbitem"}]}]