{"id":440,"date":"2017-08-08T13:24:00","date_gmt":"2017-08-08T11:24:00","guid":{"rendered":"https:\/\/kids.esa.int\/here_come_the_perseids4\/"},"modified":"2026-10-08T00:28:14","modified_gmt":"2026-10-07T22:28:14","slug":"here_come_the_perseids4","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/cs\/here_come_the_perseids4\/","title":{"rendered":"Perseidy u\u017e jsou tady!"},"content":{"rendered":"<div class=\"lede\">\n<p>Milovn\u00edci pozorov\u00e1n\u00ed oblohy si tento t\u00fdden p\u0159ijdou na sv\u00e9, a\u017e ka\u017edoro\u010dn\u00ed meteorick\u00fd roj Perzeidy dos\u00e1hne sv\u00e9ho vrcholu! Pokud jste je\u0161t\u011b nikdy nevid\u011bli meteor, je to ide\u00e1ln\u00ed p\u0159\u00edle\u017eitost. Nejv\u011bt\u0161\u00ed aktivita se o\u010dek\u00e1v\u00e1 mezi 11. a 13. srpnem. Dr\u017ete se d\u00e1l od jasn\u00fdch sv\u011btel, nechte o\u010di si zvyknout na tmu, lehn\u011bte si a pozorujte oblohu!<\/p>\n<\/div>\n<figure class=\"wp-block-image size-natural\" data-width=\"550\" data-credit=\"NASA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2013\/07\/perseid_map2\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2013\/07\/perseid_map2\/17878589-2-eng-GB\/perseid_map2.gif\" alt=\"\"><\/figure>\n<p>Perseidy jsou pojmenov\u00e1ny podle souhv\u011bzd\u00ed Persea, ze kter\u00e9ho se zd\u00e1, \u017ee vyza\u0159uj\u00ed. Mohou se v\u0161ak objevit kdekoli na obloze. Nejlep\u0161\u00ed sm\u011br pro pozorov\u00e1n\u00ed je tam, kde je obloha nejtmav\u0161\u00ed, pravd\u011bpodobn\u011b p\u0159\u00edmo nad hlavou. Meteorick\u00fd roj lze nejl\u00e9pe pozorovat od 23:00 nebo od p\u016flnoci, kdy m\u016f\u017eete vid\u011bt a\u017e 100 meteor\u016f za hodinu!<\/p>\n<p>Perseidy jsou \u00falomky hornin o velikosti od zrnka p\u00edsku po hr\u00e1\u0161ek, kter\u00e9 byly p\u0159ed d\u00e1vnou dobou vyvr\u017eeny kometou Swift-Tuttle. Tato kometa se p\u0159i ob\u00edh\u00e1n\u00ed kolem Slunce pomalu rozpad\u00e1. V pr\u016fb\u011bhu stalet\u00ed se jej\u00ed drobiv\u00e9 zbytky rozpt\u00fdlily pod\u00e9l jej\u00ed ob\u011b\u017en\u00e9 dr\u00e1hy a vytvo\u0159ily proud \u010d\u00e1stic dlouh\u00fd stovky milion\u016f kilometr\u016f.<\/p>\n<p>Dr\u00e1ha Zem\u011b kolem Slunce n\u00e1s ka\u017edoro\u010dn\u011b v polovin\u011b srpna vede skrz tento komet\u00e1rn\u00ed prach. \u010c\u00e1stice, naz\u00fdvan\u00e9 \u2018meteoroidy\u2019, se pohybuj\u00ed rychlost\u00ed 60 km za sekundu vzhledem k Zemi. Kdy\u017e jedna z nich naraz\u00ed do horn\u00edch vrstev atmosf\u00e9ry, vytvo\u0159\u00ed roz\u017ehavenou stopu p\u0159eh\u0159\u00e1t\u00e9ho vzduchu. Ob\u010das se objev\u00ed i jasn\u011bj\u0161\u00ed \u00falomky, kter\u00e9 vydr\u017e\u00ed n\u011bkolik sekund a zanech\u00e1vaj\u00ed za sebou stopy z\u00e1\u0159\u00edc\u00edho kou\u0159e a plynu.<\/p>\n<p>Perseidy jsou ide\u00e1ln\u00ed pro digit\u00e1ln\u00ed fotografov\u00e1n\u00ed. Upevn\u011bte fotoapar\u00e1t na stativ, nejl\u00e9pe s \u0161iroko\u00fahl\u00fdm objektivem a nastaven\u00edm vysok\u00e9 citlivosti ISO (pro fotografov\u00e1n\u00ed ve tm\u011b). Nechte z\u00e1v\u011brku otev\u0159enou po dobu 10\u201315 sekund (na opravdu tmav\u00e9m m\u00edst\u011b i d\u00e9le). S trochou \u0161t\u011bst\u00ed byste m\u011bli zachytit jednu nebo v\u00edce Perseid, kter\u00e9 se pro\u017eenou p\u0159es fotografii!<\/p>","protected":false},"excerpt":{"rendered":"<p>Sky watchers will be in for a treat this week, when the annual Perseid meteor shower reaches its peak! If you&#8217;ve never seen a meteor before, this is the ideal [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2017\/08\/perseid_meteor_shower\/17907680-2-eng-GB\/Perseid_meteor_shower.jpg","esa_banner_description":"","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2017\/08\/Perseid_meteor_shower","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[26],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-440","post","type-post","status-publish","format-standard","hentry","category-news"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/440","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/comments?post=440"}],"version-history":[{"count":5,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/440\/revisions"}],"predecessor-version":[{"id":4476,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/posts\/440\/revisions\/4476"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/media?parent=440"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/categories?post=440"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/tags?post=440"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/panel?post=440"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/language?post=440"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/age?post=440"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/duration?post=440"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/resource_type?post=440"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/audience?post=440"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/cs\/wp-json\/wp\/v2\/wf_post_folders?post=440"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}