[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.haag.cz\/co-jsou-to-padajici-hvezdy\/#Article","mainEntityOfPage":"https:\/\/www.haag.cz\/co-jsou-to-padajici-hvezdy\/","headline":"Co jsou to padaj\u00edc\u00ed hv\u011bzdy","name":"Co jsou to padaj\u00edc\u00ed hv\u011bzdy","description":"Jedn\u00edm z\u00a0nejobl\u00edben\u011bj\u0161\u00edch jev\u016f, kter\u00e9 lid\u00e9 r\u00e1di pozoruj\u00ed, jsou mimo duhy i padaj\u00edc\u00ed hv\u011bzdy. Tento jev se objevuje jen vz\u00e1cn\u011b, nej\u010dast\u011bji v\u0161ak v\u00a0srpnu. Jejich zv\u00fd\u0161en\u00fd v\u00fdskyt v\u00a0t\u00e9to dob\u011b se obvykle naz\u00fdv\u00e1 Perseidy.\u00a0S\u00a0padaj\u00edc\u00edmi hv\u011bzdami je spojena i pov\u011bra, \u017ee pokud si p\u0159i jej\u00edm spat\u0159en\u00ed n\u011bco p\u0159ejeme, vypln\u00ed se to. Av\u0161ak pokud odhod\u00edme z\u00e1voj romantiky, \u010d\u00edm je vlastn\u011b...<p class=\"more-link-wrap\"><a href=\"https:\/\/www.haag.cz\/co-jsou-to-padajici-hvezdy\/\" class=\"more-link\">P\u0159e\u010d\u00edst<span class=\"screen-reader-text\"> &ldquo;Co jsou to padaj\u00edc\u00ed hv\u011bzdy&rdquo;<\/span> &raquo;<\/a><\/p>","datePublished":"2022-07-23","dateModified":"2023-06-14","author":{"@type":"Person","@id":"https:\/\/www.haag.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.haag.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/0dc285cbe86eecc8073f119fcb2e2c7032b51533f5bb47611c7d4a598558b8b7?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/0dc285cbe86eecc8073f119fcb2e2c7032b51533f5bb47611c7d4a598558b8b7?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"haag.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.haag.cz\/wp-content\/uploads\/padhvezda1.jpg","url":"https:\/\/www.haag.cz\/wp-content\/uploads\/padhvezda1.jpg","height":0,"width":0},"url":"https:\/\/www.haag.cz\/co-jsou-to-padajici-hvezdy\/","about":["V\u011bda"],"wordCount":435,"articleBody":"Jedn\u00edm z\u00a0nejobl\u00edben\u011bj\u0161\u00edch jev\u016f, kter\u00e9 lid\u00e9 r\u00e1di pozoruj\u00ed, jsou mimo duhy i padaj\u00edc\u00ed hv\u011bzdy. Tento jev se objevuje jen vz\u00e1cn\u011b, nej\u010dast\u011bji v\u0161ak v\u00a0srpnu. Jejich zv\u00fd\u0161en\u00fd v\u00fdskyt v\u00a0t\u00e9to dob\u011b se obvykle naz\u00fdv\u00e1 Perseidy.\u00a0S\u00a0padaj\u00edc\u00edmi hv\u011bzdami je spojena i pov\u011bra, \u017ee pokud si p\u0159i jej\u00edm spat\u0159en\u00ed n\u011bco p\u0159ejeme, vypln\u00ed se to. Av\u0161ak pokud odhod\u00edme z\u00e1voj romantiky, \u010d\u00edm je vlastn\u011b tento astronomick\u00fd jev zp\u016fsoben? Na co se to vlastn\u011b d\u00edv\u00e1me?\u00a0Jednodu\u0161e \u0159e\u010deno, jde o pr\u016fchod mal\u00fdch meteorit\u016f atmosf\u00e9rou. Samoz\u0159ejm\u011b meteority m\u00e1 v\u011bt\u0161ina z\u00a0n\u00e1s spojeny s\u00a0vyhynut\u00edm dinosaur\u016f, p\u0159\u00edpadn\u011b i lidstva (d\u00edky katastrofick\u00fdm film\u016fm, ve kter\u00fdch pr\u00e1v\u011b on zas\u00e1hne zemi), av\u0161ak skute\u010dnost, jak u\u017e tomu tak b\u00fdv\u00e1, nen\u00ed a\u017e tak nebezpe\u010dn\u00e1.\u00a0Je dobr\u00e9 si uv\u011bdomit, \u017ee na\u0161e planeta je zasahov\u00e1na mnoha vesm\u00edrn\u00fdmi \u010d\u00e1sticemi denn\u011b. My z\u00a0nich vid\u00edme pouze ty v\u011bt\u0161\u00ed coby padaj\u00edc\u00ed hv\u011bzdy. Ov\u0161em a\u010dkoliv maj\u00ed pon\u011bkud v\u011bt\u0161\u00ed pr\u016fm\u011br, st\u00e1le jsou tak mal\u00e9, \u017ee sho\u0159\u00ed ji\u017e v\u00a0atmosf\u00e9\u0159e. I to je koneckonc\u016f d\u016fvod, pro\u010d v\u017edy najednou zhasnou.\u00a0Samoz\u0159ejm\u011b z\u00a0n\u011bkter\u00fdch dopadnou na zem zbytky, av\u0161ak t\u011bch je opravdu jen m\u00e1lo, a nav\u00edc jsou skute\u010dn\u011b mal\u00e9. \u00dalomky meteoritu v\u0161ak p\u0159edstavuj\u00ed cenn\u00fd n\u00e1lez nap\u0159\u00edklad pro hleda\u010de kov\u016f \u2013 jsou snadno nalezeny detektory, nebo\u0165 obsahuj\u00ed velk\u00e9 mno\u017estv\u00ed \u017eeleza.\u00a0Pro\u010d jich je ale nejv\u00edce pr\u00e1v\u011b v\u00a0srpnu? Jednodu\u0161e proto, \u017ee pr\u00e1v\u011b v\u00a0t\u00e9to dob\u011b proch\u00e1z\u00ed na\u0161e planeta p\u00e1sem, kde se \u201ekosmick\u00e9 kameny\u201c vyskytuj\u00ed nejv\u00edce. A na\u0161e gravitace si je zkr\u00e1tka p\u0159it\u00e1hne. Nen\u00ed v\u0161ak \u010deho se b\u00e1t \u2013 v\u00a0t\u00e9to oblasti nejsou \u017e\u00e1dn\u00e9 asteroidy tak velk\u00e9, aby n\u00e1s mohly ohrozit.\u00a0\u00a0Rozhodn\u011b tedy m\u016f\u017eeme ka\u017ed\u00fd srpen bez obav pozorovat vesm\u00edrnou pod\u00edvanou a n\u00e1sledn\u011b zkou\u0161et \u0161t\u011bst\u00ed, jestli nenajdeme n\u011bjak\u00fd \u00falomek kosmick\u00e9ho n\u00e1v\u0161t\u011bvn\u00edka. Tak\u00e9 n\u00e1m toto v\u011bdom\u00ed m\u016f\u017ee pomoci pochopit, jak mal\u00e1 je na kosmick\u00e9 \u0161k\u00e1le na\u0161e planeta, a jak je k\u0159ehk\u00e1.A\u010dkoliv n\u00e1m tedy nemohou splnit p\u0159\u00e1n\u00ed, rozhodn\u011b se st\u00e1le jedn\u00e1 o zaj\u00edmav\u00fd fenom\u00e9n, kter\u00fd by m\u011bl alespo\u0148 jednou vid\u011bt ka\u017ed\u00fd z\u00a0n\u00e1s.                                                                                                                                                                                                                                                                                                                                                                                                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