{"id":3453,"date":"2026-01-28T09:54:40","date_gmt":"2026-01-28T08:54:40","guid":{"rendered":"https:\/\/www.astro-novinky.eu\/?p=3453"},"modified":"2026-01-28T10:13:22","modified_gmt":"2026-01-28T09:13:22","slug":"liberecky-astronom-zachytil-obri-vesmirnou-dutinu","status":"publish","type":"post","link":"https:\/\/www.astro-novinky.eu\/index.php\/2026\/01\/28\/liberecky-astronom-zachytil-obri-vesmirnou-dutinu\/","title":{"rendered":"Libereck\u00fd astronom zachytil ob\u0159\u00ed vesm\u00edrnou dutinu"},"content":{"rendered":"<figure id=\"attachment_3454\" aria-describedby=\"caption-attachment-3454\" style=\"width: 300px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/01\/Jakub-Kurak.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-3454\" src=\"https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/01\/Jakub-Kurak-300x214.jpeg\" alt=\"Na zimn\u00ed obloze se rozprost\u00edr\u00e1 jeden z nejpozoruhodn\u011bj\u0161\u00edch, a p\u0159esto lidsk\u00fdm okem neviditeln\u00fdch \u00fatvar\u016f v na\u0161em kosmick\u00e9m okol\u00ed, akzvan\u00e1 Superbublina Orion\u2013Eridanus. Foto: Jakub Ku\u0159\u00e1k\/KaL.\" width=\"300\" height=\"214\" srcset=\"https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/01\/Jakub-Kurak-300x214.jpeg 300w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/01\/Jakub-Kurak-1024x732.jpeg 1024w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/01\/Jakub-Kurak-768x549.jpeg 768w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/01\/Jakub-Kurak-1536x1098.jpeg 1536w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/01\/Jakub-Kurak-2048x1464.jpeg 2048w, https:\/\/www.astro-novinky.eu\/wp-content\/uploads\/2026\/01\/Jakub-Kurak-1320x944.jpeg 1320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-3454\" class=\"wp-caption-text\">Na zimn\u00ed obloze se rozprost\u00edr\u00e1 jeden z nejpozoruhodn\u011bj\u0161\u00edch, a p\u0159esto lidsk\u00fdm okem neviditeln\u00fdch \u00fatvar\u016f v na\u0161em kosmick\u00e9m okol\u00ed, akzvan\u00e1 Superbublina Orion\u2013Eridanus. Foto: Jakub Ku\u0159\u00e1k\/KaL.<\/figcaption><\/figure>\n<p>Na zimn\u00ed obloze se rozprost\u00edr\u00e1 jeden z nejpozoruhodn\u011bj\u0161\u00edch, a p\u0159esto lidsk\u00fdm okem neviditeln\u00fdch \u00fatvar\u016f v na\u0161em kosmick\u00e9m okol\u00ed. Takzvan\u00e1 <strong>Superbublina Orion\u2013Eridanus <\/strong>je obrovsk\u00e1 dutina v mezihv\u011bzdn\u00e9m plynu, vzd\u00e1len\u00e1 p\u0159ibli\u017en\u011b 1000 a\u017e 1500 sv\u011bteln\u00fdch let od Zem\u011b. Speci\u00e1ln\u00edm vybaven\u00edm se ji poda\u0159ilo z Liberecka zachytit \u010desk\u00e9mu astronomovi Jakubu Ku\u0159\u00e1kovi.<\/p>\n<h4>Ob\u0159\u00ed kosmick\u00e1 dutina<\/h4>\n<p>\u201e<em>Skute\u010dn\u00fd rozsah bubliny si lze jen obt\u00ed\u017en\u011b p\u0159edstavit: v nej\u0161ir\u0161\u00edm m\u00edst\u011b se Superbublina Orion\u2013Eridanus rozprost\u00edr\u00e1 na obloze v \u00fahlu kolem 45 stup\u0148\u016f, co\u017e odpov\u00edd\u00e1 90 m\u011bs\u00ed\u010dn\u00edm\u00a0\u00fapl\u0148k\u016fm vedle sebe,<\/em>\u201c vysv\u011btluje Ku\u0159\u00e1k. D\u00edky modern\u00edm metod\u00e1m astrofotografie je dnes mo\u017en\u00e9 tuto strukturu zachytit a p\u0159edstavit ve\u0159ejnosti.<\/p>\n<h4>Zd\u00e1nliv\u011b pr\u00e1zdn\u00fd vesm\u00edrn\u00fd prostor<\/h4>\n<p>Pozorovan\u00e1 bublina vznikla jako poz\u016fstatek d\u00e1vn\u00e9 aktivity hmotn\u00fdch hv\u011bzd, jejich\u017e exploze a n\u00e1sledn\u00e9 siln\u00e9 r\u00e1zov\u00e9 vlny ovlivnily pr\u00e1v\u011b tuto oblast kterou pozorujeme. \u201eSuperbublina Orion\u2013Eridanus\u201c (anglicky \u201eOrion-Eridanus Superbubble\u201c) je tak p\u016fsobivou p\u0159ipom\u00ednkou, \u017ee i zd\u00e1nliv\u011b pr\u00e1zdn\u00fd prostor mezi hv\u011bzdami m\u00e1 svou bohatou a dramatickou historii.<\/p>\n<p>Gigantick\u00e1 struktura vznikala v\u00a0d\u016fsledku p\u0159ibli\u017en\u011b 10-20 v\u00fdbuch\u016f supernov a siln\u00e9ho hv\u011bzdn\u00e9ho v\u011btru. Tyto procesy p\u0159es n\u011bkolik generac\u00ed hv\u011bzd vyfukovaly okoln\u00ed plyn a vytvo\u0159ily dutinu o pr\u016fm\u011bru stovek sv\u011bteln\u00fdch let. \u201e<em>Fyzicky m\u016f\u017ee zab\u00edrat 300-500 sv\u011bteln\u00fdch let v\u00a0pr\u016fm\u011bru. Na\u0161e Slune\u010dn\u00ed soustava by se tedy do n\u00ed ve\u0161la n\u011bkoliksetkr\u00e1t,<\/em>\u201c dopl\u0148uje Ku\u0159\u00e1k.<\/p>\n<h4>Viditeln\u00e9 okraje kosmick\u00e9 bubliny<\/h4>\n<p>Okraje struktury dnes pozorujeme jako zn\u00e1m\u00e9 mlhoviny, mezi n\u011b\u017e pat\u0159\u00ed nap\u0159\u00edklad <strong>Barnardova smy\u010dka<\/strong>, <strong>mlhovina Ko\u0148sk\u00e1 hlavy<\/strong> (ob\u011b se na sn\u00edmku nach\u00e1z\u00ed vlevo) \u010di jemn\u00e9 vod\u00edkov\u00e9 filamenty t\u00e1hnouc\u00ed se a\u017e do souhv\u011bzd\u00ed Eridanu, kde se nach\u00e1z\u00ed ob\u0159\u00ed <strong>Smy\u010dka v\u00a0Eridanu <\/strong>(na sn\u00edmku je vpravo). Tyto z\u00e1\u0159\u00edc\u00ed struktury p\u0159edstavuj\u00ed hranice obrovsk\u00e9ho komplexu mlhovin, kde se st\u0159et\u00e1v\u00e1 hork\u00fd \u0159\u00eddk\u00fd plyn s chladn\u011bj\u0161\u00edm mezihv\u011bzdn\u00fdm prost\u0159ed\u00edm.<\/p>\n<p>Jakub Ku\u0159\u00e1k sn\u00edmek zachytil na v\u00edce pozorovac\u00edch lokalit\u00e1ch na Liberecku v\u00a0pr\u016fb\u011bhu projasn\u011bn\u00fdch noc\u00ed mezi 12. a 16. lednem 2026 pomoc\u00ed citliv\u00e9ho apar\u00e1tu a specializovan\u00e9ho filtru H-alfa. Ten izoluje p\u0159ev\u00e1\u017en\u011b vlnovou d\u00e9lku ionizovan\u00e9ho vod\u00edku. Aby nasn\u00edman\u00e1 data zbavil artefakt\u016f, musel je exponovat postupn\u011b v\u00edce jak 5 a p\u016fl hodiny \u00a0a vz\u00e1p\u011bt\u00ed je matematicky zpracovat. D\u00edky t\u00e9to modern\u00ed z\u00e1znamov\u00e9 technice zachytil rozsah a detaily t\u00e9to mimo\u0159\u00e1dn\u00e9 kosmick\u00e9 struktury. \u201e<em>P\u0159i pohledu na tyto struktury si uv\u011bdomujeme, \u017ee velmi d\u00e1vn\u00e9 hv\u011bzdn\u00e9 exploze st\u00e1le je\u0161t\u011b formuj\u00ed prost\u0159ed\u00ed, ve kter\u00e9m dnes vznikaj\u00ed nov\u00e9 generace hv\u011bzd<\/em>,\u201c uzav\u00edr\u00e1 libereck\u00fd astronom.<\/p>\n<h4>O autorovi sn\u00edmku<\/h4>\n<p><strong>Jakub Ku\u0159\u00e1k<\/strong> (nar. 2008) poch\u00e1z\u00ed ze Smr\u017eovky na Liberecku. P\u016fsob\u00ed jako populariz\u00e1tor astronomie v libereck\u00e9\u00a0IQLandii, je \u010dlenem Klubu astronom\u016f Liberecka \u010cesk\u00e9 astronomick\u00e9 spole\u010dnosti a ve sv\u00e9m voln\u00e9m \u010dase se v\u011bnuje astrofotografii. V\u00a0n\u00ed se zam\u011b\u0159uje p\u0159edev\u0161\u00edm na vz\u00e1cn\u00e9 nebesk\u00e9 \u00fakazy a sn\u00edm\u00e1n\u00ed hlubok\u00e9ho vesm\u00edru. Ku\u0159\u00e1k je oce\u0148ovan\u00fd astrofotograf, v\u00a0minulosti u\u017e dvakr\u00e1t usp\u011bl v\u00a0presti\u017en\u00edm v\u00fdb\u011bru Astronomick\u00e9ho dne NASA.<\/p>\n<h4>Kontakt a dal\u0161\u00ed informace<\/h4>\n<p><strong>Jakub Ku\u0159\u00e1k<br \/>\n<\/strong><em>Klub astronom\u016f Liberecka \u010cAS, autor sn\u00edmku<\/em><br \/>\nTel.: +420\u00a0605\u00a0967 092<br \/>\nE-mail: <a href=\"mailto:jakub.kurak8@gmail.com\">jakub.kurak8@gmail.com<\/a><br \/>\nInstagram:\u00a0<a href=\"https:\/\/www.instagram.com\/jakub.kurak\">www.instagram.com\/jakub.kurak<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Na zimn\u00ed obloze se rozprost\u00edr\u00e1 jeden z nejpozoruhodn\u011bj\u0161\u00edch, a p\u0159esto lidsk\u00fdm okem neviditeln\u00fdch \u00fatvar\u016f v na\u0161em kosmick\u00e9m okol\u00ed. Takzvan\u00e1 Superbublina Orion\u2013Eridanus je obrovsk\u00e1 dutina v mezihv\u011bzdn\u00e9m plynu, vzd\u00e1len\u00e1 p\u0159ibli\u017en\u011b 1 000 a\u017e 1 500 sv\u011bteln\u00fdch let od Zem\u011b. Speci\u00e1ln\u00edm vybaven\u00edm se ji poda\u0159ilo z Liberecka zachytit \u010desk\u00e9mu astronomovi Jakubu Ku\u0159\u00e1kovi.<\/p>\n","protected":false},"author":7,"featured_media":3454,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[26,27,29],"tags":[],"class_list":["post-3453","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aktuality","category-clanky","category-vesmir"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Libereck\u00fd astronom zachytil ob\u0159\u00ed vesm\u00edrnou dutinu - Astro-novinky.eu<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.astro-novinky.eu\/index.php\/2026\/01\/28\/liberecky-astronom-zachytil-obri-vesmirnou-dutinu\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Libereck\u00fd astronom zachytil ob\u0159\u00ed vesm\u00edrnou dutinu - Astro-novinky.eu\" \/>\n<meta property=\"og:description\" content=\"Na zimn\u00ed obloze se rozprost\u00edr\u00e1 jeden z nejpozoruhodn\u011bj\u0161\u00edch, a p\u0159esto lidsk\u00fdm okem neviditeln\u00fdch \u00fatvar\u016f v na\u0161em kosmick\u00e9m okol\u00ed. 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