{"id":3953,"date":"2026-07-13T15:47:58","date_gmt":"2026-07-13T15:47:58","guid":{"rendered":"https:\/\/astrohodonin.cz\/index.php\/2026\/07\/13\/polarni-zare-z-vesmiru\/"},"modified":"2026-07-13T15:47:58","modified_gmt":"2026-07-13T15:47:58","slug":"polarni-zare-z-vesmiru","status":"publish","type":"post","link":"https:\/\/astrohodonin.cz\/index.php\/2026\/07\/13\/polarni-zare-z-vesmiru\/","title":{"rendered":"Pol\u00e1rn\u00ed z\u00e1\u0159e z vesm\u00edru"},"content":{"rendered":"<div style=\"width: 640px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-3953-1\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/apod.nasa.gov\/apod\/image\/2607\/Auroras_Esa.mp4?_=1\" \/><a href=\"https:\/\/apod.nasa.gov\/apod\/image\/2607\/Auroras_Esa.mp4\">https:\/\/apod.nasa.gov\/apod\/image\/2607\/Auroras_Esa.mp4<\/a><\/video><\/div>\n<p>Jak vypadaj\u00ed pol\u00e1rn\u00ed z\u00e1\u0159e shora? Pod\u00edvejte se! Ze zem\u011b pol\u00e1rn\u00ed z\u00e1\u0159e tan\u010d\u00ed vysoko nad mraky a \u010dasto vytv\u00e1\u0159ej\u00ed \u00fachvatn\u00e9 pod\u00edvan\u00e9.  Z vesm\u00edru vypadaj\u00ed trochu jinak. Mezin\u00e1rodn\u00ed vesm\u00edrn\u00e1 stanice (ISS), kter\u00e1 ob\u00edh\u00e1 Zemi ka\u017ed\u00fdch 90 minut, n\u011bkdy pod sebou pozoruje pol\u00e1rn\u00ed z\u00e1\u0159e, kter\u00e9 jsou aktivn\u00ed na no\u010dn\u00ed stran\u011b planety.  Hodinov\u00e9 \u010dasosb\u011brn\u00e9 video zachycuj\u00edc\u00ed pol\u00e1rn\u00ed z\u00e1\u0159e shora bylo nato\u010deno p\u0159ed asi dv\u011bma t\u00fddny z ob\u00edhaj\u00edc\u00ed ISS.  ISS \u2013 stejn\u011b jako v\u0161echny objekty na n\u00edzk\u00e9 ob\u011b\u017en\u00e9 dr\u00e1ze Zem\u011b \u2013 prolet\u00ed vysoko nad zelen\u00fdmi pol\u00e1rn\u00edmi z\u00e1\u0159emi, ale jen o kousek nad \u010derven\u011b z\u00e1\u0159\u00edc\u00edmi pol\u00e1rn\u00edmi z\u00e1\u0159emi.  Proudy elektron\u016f a proton\u016f z pol\u00e1rn\u00edch z\u00e1\u0159\u00ed jsou p\u0159\u00edli\u0161 \u0159\u00eddk\u00e9 na to, aby p\u0159edstavovaly nebezpe\u010d\u00ed pro ISS, stejn\u011b jako mraky nep\u0159edstavuj\u00ed pro letadla t\u00e9m\u011b\u0159 \u017e\u00e1dn\u00e9 nebezpe\u010d\u00ed.  Z ob\u011b\u017en\u00e9 dr\u00e1hy, jak se m\u011bn\u00ed magnetick\u00e1 pole, mohou pol\u00e1rn\u00ed z\u00e1\u0159e vypadat, jako by se vln\u00ed a plazily jako ob\u0159\u00ed hadi.  Toto jednominutov\u00e9 video nato\u010dila francouzsk\u00e1 astronautka Sophie Adenot z pos\u00e1dky expedice ISS 74.    P\u0159ekvapen\u00ed na obloze: Jak\u00fd sn\u00edmek zve\u0159ejnil APOD v den va\u0161ich narozenin? (po roce 1995)<\/p>\n<p><!-- astropress --><\/p>\n<p>**Credit**: NASA<\/p>\n","protected":false},"excerpt":{"rendered":"<p>https:\/\/apod.nasa.gov\/apod\/image\/2607\/Auroras_Esa.mp4 Jak vypadaj\u00ed pol\u00e1rn\u00ed z\u00e1\u0159e shora? Pod\u00edvejte se! Ze zem\u011b pol\u00e1rn\u00ed z\u00e1\u0159e tan\u010d\u00ed vysoko nad mraky a \u010dasto vytv\u00e1\u0159ej\u00ed \u00fachvatn\u00e9 pod\u00edvan\u00e9. Z vesm\u00edru vypadaj\u00ed trochu jinak. Mezin\u00e1rodn\u00ed vesm\u00edrn\u00e1 stanice (ISS), [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3953","post","type-post","status-publish","format-standard","hentry","category-nasa"],"_links":{"self":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3953","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/comments?post=3953"}],"version-history":[{"count":1,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3953\/revisions"}],"predecessor-version":[{"id":3954,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3953\/revisions\/3954"}],"wp:attachment":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media?parent=3953"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/categories?post=3953"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/tags?post=3953"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}