[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.caaia.cz\/co-jsou-exoplanety-a-kde-se-vyskytuji\/#Article","mainEntityOfPage":"https:\/\/www.caaia.cz\/co-jsou-exoplanety-a-kde-se-vyskytuji\/","headline":"Co jsou exoplanety a kde se vyskytuj\u00ed","name":"Co jsou exoplanety a kde se vyskytuj\u00ed","description":"Co jsou exoplanety a kde se\u00a0vyskytuj\u00ed Prvn\u00ed exoplanetu objevili v\u011bdci v\u00a0roce 1988, trvalo v\u0161ak t\u00e9m\u011b\u0159 15 let, ne\u017e mohla b\u00fdt jej\u00ed existence definitivn\u011b potvrzena. Do roku 2023 bylo ve vesm\u00edru objeveno p\u0159es 5,5 tis\u00edce exoplanet. Nejv\u00edce se na jejich n\u00e1lezu pod\u00edlel teleskop Kepler. Dal\u0161\u00edm za\u0159\u00edzen\u00edm na vyhled\u00e1v\u00e1n\u00ed extrasol\u00e1rn\u00edch planet byl<a class=\"craze-excerpt-btn\" href=\"https:\/\/www.caaia.cz\/co-jsou-exoplanety-a-kde-se-vyskytuji\/\" rel=\"nofollow\">Read More &hellip;<\/a>","datePublished":"2023-04-28","dateModified":"2023-04-28","author":{"@type":"Person","@id":"https:\/\/www.caaia.cz\/author\/#Person","name":"","url":"https:\/\/www.caaia.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/b653a05acc9928bc50547a0b6ed51698115bbf59840455a4bc9d337f928ec9d6?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/b653a05acc9928bc50547a0b6ed51698115bbf59840455a4bc9d337f928ec9d6?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"caaia.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.caaia.cz\/wp-content\/uploads\/Vesm%C3%ADr.jpg","url":"https:\/\/www.caaia.cz\/wp-content\/uploads\/Vesm%C3%ADr.jpg","height":0,"width":0},"url":"https:\/\/www.caaia.cz\/co-jsou-exoplanety-a-kde-se-vyskytuji\/","about":["V\u011bda"],"wordCount":427,"articleBody":"Co jsou exoplanety a kde se\u00a0vyskytuj\u00edPrvn\u00ed exoplanetu objevili v\u011bdci v\u00a0roce 1988, trvalo v\u0161ak t\u00e9m\u011b\u0159 15 let, ne\u017e mohla b\u00fdt jej\u00ed existence definitivn\u011b potvrzena. Do roku 2023 bylo ve vesm\u00edru objeveno p\u0159es 5,5 tis\u00edce exoplanet. Nejv\u00edce se na jejich n\u00e1lezu pod\u00edlel teleskop Kepler. Dal\u0161\u00edm za\u0159\u00edzen\u00edm na vyhled\u00e1v\u00e1n\u00ed extrasol\u00e1rn\u00edch planet byl spektrogram HARPS, instalovan\u00fd na observato\u0159i v\u00a0Chile. V\u011bt\u0161ina objeven\u00fdch hv\u011bzd, kter\u00e9 se alespo\u0148 \u010d\u00e1ste\u010dn\u011b podobaj\u00ed Slunci, m\u00e1 sv\u00e9 planety. Dokonce takov\u00e9, kter\u00e9 se svou velikost\u00ed podobaj\u00ed Zemi a ob\u00edhaj\u00ed svou hv\u011bzdu v\u00a0takzvan\u00e9 \u201eobyvateln\u00e9 z\u00f3n\u011b\u201c. Jedna z\u00a0nejv\u011bt\u0161\u00edch exoplanet, kter\u00e9 jsou evidov\u00e1ny v\u00a0NASA, m\u00e1 n\u00e1zev DENIS-P J082303.1-491201 b. Jej\u00ed p\u0159ibli\u017en\u00e1 hmotnost se uv\u00e1d\u00ed 29x vy\u0161\u0161\u00ed, ne\u017eli je n\u00e1\u0161 Jupiter. A proto\u017ee jej\u00ed hmotnost je \u2013 podle krit\u00e9rii\u00ed pro planety \u2013 p\u0159\u00edli\u0161 vysok\u00e1 \u2013 v\u011bdci se domn\u00edvaj\u00ed, \u017ee se mo\u017en\u00e1 sp\u00ed\u0161 jedn\u00e1 o hn\u011bd\u00e9ho trpasl\u00edka. Co jsou hork\u00e9 JupiteryHork\u00e9 Jupitery jsou masivn\u00ed planety, kter\u00e9 ob\u00edhaj\u00ed svou hv\u011bzdu pom\u011brn\u011b bl\u00edzko. \u00a0Nej\u010dast\u011bji se vyskytuj\u00ed u mlad\u0161\u00edch hv\u011bzd. Proto jsou velice dob\u0159e detekovateln\u00e9 sou\u010dasn\u00fdmi v\u011bdeck\u00fdmi technologiemi. Hork\u00e9 Jupitery jsou nej\u010dast\u011bj\u0161\u00ed typy objeven\u00fdch planet. Nov\u00e9 v\u011bdeck\u00e9 studie uv\u00e1d\u011bj\u00ed, \u017ee \u010d\u00edm je hv\u011bzda star\u0161\u00ed, t\u00edm m\u00e9n\u011b plynn\u00fd obr\u016f (hork\u00fdch Jupiter\u016f) se v\u00a0jej\u00ed bl\u00edzkosti pohybuje. Je mo\u017en\u00e9, \u017ee se p\u0159em\u011b\u0148uj\u00ed na jinou kategorii planet, anebo zkr\u00e1tka migruj\u00ed n\u011bkam d\u00e1l od mate\u0159sk\u00e9 hv\u011bzdy.Jak exoplanety ob\u00edhaj\u00ed sv\u00e9 hv\u011bzdyT\u00e9m\u011b\u0159 v\u0161echny objeven\u00e9 extrasol\u00e1rn\u00ed planety se, a\u017e na n\u011bkolik extragalaktick\u00fdch v\u00fdjimek, nach\u00e1zej\u00ed v\u00a0Ml\u00e9\u010dn\u00e9 dr\u00e1ze. Jejich ob\u011bh kolem sv\u00fdch hv\u011bzd trv\u00e1 velmi rozd\u00edlnou dobu. N\u011bkter\u00e9 ob\u011bhnou hv\u011bzdu b\u011bhem n\u011bkolika hodin, jin\u00fdm trv\u00e1 ob\u011b\u017en\u00e1 doba stovky \u010di tis\u00edce let. Nejbli\u017e\u0161\u00ed exoplaneta, kterou v\u011bdci detekovali je Proxima Centauri b, a je vzd\u00e1len\u00e1 4,2 sv\u011bteln\u00e9ho roku od Zem\u011b. Ob\u00edh\u00e1 kolem stejnojmenn\u00e9 hv\u011bzdy, kter\u00e1 je ze v\u0161ech hv\u011bzd nejbl\u00ed\u017ee Slunci (exoplanety se v\u011bt\u0161inou ozna\u010duj\u00ed jm\u00e9nem sv\u00e9 hv\u011bzdy s p\u0159id\u00e1n\u00edm mal\u00e9ho p\u00edsmena).Krom\u011b extrasol\u00e1rn\u00edch planet se vesm\u00edrem pohybuje i n\u011bkolik miliard toulav\u00fdch planet, kter\u00e9 neob\u00edhaj\u00ed kolem \u017e\u00e1dn\u00e9 hv\u011bzdy.                                                                                                                                                                                                                                                                                                                                                                                        4.4\/5 - (5 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Co jsou exoplanety a kde se vyskytuj\u00ed","item":"https:\/\/www.caaia.cz\/co-jsou-exoplanety-a-kde-se-vyskytuji\/#breadcrumbitem"}]}]