{"id":3883,"date":"2026-05-21T16:10:18","date_gmt":"2026-05-21T16:10:18","guid":{"rendered":"https:\/\/astrohodonin.cz\/index.php\/2026\/05\/21\/srazka-galaxii\/"},"modified":"2026-05-21T16:10:18","modified_gmt":"2026-05-21T16:10:18","slug":"srazka-galaxii","status":"publish","type":"post","link":"https:\/\/astrohodonin.cz\/index.php\/2026\/05\/21\/srazka-galaxii\/","title":{"rendered":"Sr\u00e1\u017eka galaxi\u00ed"},"content":{"rendered":"<p>Tato velk\u00e1 a n\u00e1dhern\u00e1 spir\u00e1ln\u00ed galaxie z\u00e1\u0159\u00ed v rentgenov\u00e9m z\u00e1\u0159en\u00ed. Je asi dvacetkr\u00e1t v\u011bt\u0161\u00ed ne\u017e na\u0161e Ml\u00e9\u010dn\u00e1 dr\u00e1ha.   Pat\u0159\u00ed do kupy galaxi\u00ed Abell 2029, kter\u00e1 se nach\u00e1z\u00ed miliardu sv\u011bteln\u00fdch let od n\u00e1s.   (Chcete-li vid\u011bt pouze galaxie, naje\u010fte kurzorem my\u0161i na obr\u00e1zek nebo klikn\u011bte na tento odkaz.) Kupy galaxi\u00ed jsou nejv\u011bt\u0161\u00ed struktury ve vesm\u00edru, kter\u00e9 dr\u017e\u00ed pohromad\u011b gravitace.     Abell 2029 tvo\u0159\u00ed tis\u00edce galaxi\u00ed obklopen\u00fdch obrovsk\u00fdm mrakem hork\u00e9ho plynu a tmavou hmotou, jej\u00ed\u017e hmotnost odpov\u00edd\u00e1 stovk\u00e1m bilion\u016f hmotnost\u00ed Slunce.     Spir\u00e1la je tvo\u0159ena plynem, p\u0159ev\u00e1\u017en\u011b vod\u00edkem a h\u00e9liem, zah\u0159\u00e1t\u00fdm na des\u00edtky milion\u016f stup\u0148\u016f.     Ned\u00e1vn\u00e1 studie, kter\u00e1 vyu\u017eila data z rentgenov\u00e9 observato\u0159e Chandra NASA, uk\u00e1zala, \u017ee Abell 2029 se p\u0159ed \u010dty\u0159mi miliardami let srazil s men\u0161\u00edm shlukem.     Sr\u00e1\u017eka ovlivnila gravita\u010dn\u00ed pole a zp\u016fsobila, \u017ee se plyn uvnit\u0159 shluku rozv\u00ed\u0159il, podobn\u011b jako v\u00edno v sklenici, a vytvo\u0159il tak spir\u00e1lu.<\/p>\n<p><!-- astropress --><\/p>\n<p>**Credit**: NASA<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tato velk\u00e1 a n\u00e1dhern\u00e1 spir\u00e1ln\u00ed galaxie z\u00e1\u0159\u00ed v rentgenov\u00e9m z\u00e1\u0159en\u00ed. Je asi dvacetkr\u00e1t v\u011bt\u0161\u00ed ne\u017e na\u0161e Ml\u00e9\u010dn\u00e1 dr\u00e1ha. Pat\u0159\u00ed do kupy galaxi\u00ed Abell 2029, kter\u00e1 se nach\u00e1z\u00ed miliardu sv\u011bteln\u00fdch let [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3884,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3883","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nasa"],"_links":{"self":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3883","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=3883"}],"version-history":[{"count":0,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3883\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media\/3884"}],"wp:attachment":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media?parent=3883"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/categories?post=3883"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/tags?post=3883"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}