{"id":3858,"date":"2026-05-07T15:50:35","date_gmt":"2026-05-07T15:50:35","guid":{"rendered":"https:\/\/astrohodonin.cz\/index.php\/2026\/05\/07\/supernova-v-bocni-spirale\/"},"modified":"2026-05-07T15:50:35","modified_gmt":"2026-05-07T15:50:35","slug":"supernova-v-bocni-spirale","status":"publish","type":"post","link":"https:\/\/astrohodonin.cz\/index.php\/2026\/05\/07\/supernova-v-bocni-spirale\/","title":{"rendered":"Supernova v bo\u010dn\u00ed spir\u00e1le"},"content":{"rendered":"<div style=\"width: 640px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-3858-1\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/apod.nasa.gov\/apod\/image\/2605\/supernova.mp4?_=1\" \/><a href=\"https:\/\/apod.nasa.gov\/apod\/image\/2605\/supernova.mp4\">https:\/\/apod.nasa.gov\/apod\/image\/2605\/supernova.mp4<\/a><\/video><\/div>\n<p>Kdysi d\u00e1vno, v jedn\u00e9 vzd\u00e1len\u00e9 galaxii, byla mohutn\u00e1 hv\u011bzda zni\u010dena v\u00fdbuchem supernovy. Sv\u011btlo z t\u00e9to ud\u00e1losti putovalo des\u00edtky milion\u016f let a minul\u00fd t\u00fdden dorazilo na Zemi jako supernova 2026kid. Uveden\u00e9 video ukazuje \u010dasosb\u011brn\u00fd z\u00e1znam po\u0159\u00edzen\u00fd b\u011bhem t\u0159\u00ed noc\u00ed z hostitelsk\u00e9 galaxie NGC 5907, spir\u00e1ln\u00ed galaxie viditeln\u00e9 z boku, zn\u00e1m\u00e9 tak\u00e9 jako Splinter nebo Knife Edge Galaxy, jak se supernova objevuje a st\u00e1v\u00e1 se jasn\u011bj\u0161\u00ed. (Ob\u010dasn\u00e9 pruhy jsou satelity na ob\u011b\u017en\u00e9 dr\u00e1ze Zem\u011b.) Ve sv\u00e9m nejjasn\u011bj\u0161\u00edm stavu m\u016f\u017ee supernova zast\u00ednit sou\u010det v\u0161ech ostatn\u00edch hv\u011bzd ve sv\u00e9 galaxii. Supernova 2026kid se jev\u00ed jako relativn\u011b slab\u00e1, pravd\u011bpodobn\u011b proto, \u017ee ji pozorujeme p\u0159es disk galaxie viditeln\u00fd z boku. K takov\u00fdm v\u00fdbuch\u016fm doch\u00e1z\u00ed v galaxi\u00edch podobn\u00fdch Ml\u00e9\u010dn\u00e9 dr\u00e1ze obvykle asi jednou za stolet\u00ed a jejich sv\u011btlo m\u016f\u017ee mizet i n\u011bkolik m\u011bs\u00edc\u016f. Nejjasn\u011bj\u0161\u00ed supernovou v zaznamenan\u00e9 historii byla SN 1006; \u00fadajn\u011b byla jasn\u011bj\u0161\u00ed ne\u017e Venu\u0161e a byla viditeln\u00e1 na obloze i b\u011bhem dne.<\/p>\n<p><!-- astropress --><\/p>\n<p>**Credit**: NASA<\/p>\n","protected":false},"excerpt":{"rendered":"<p>https:\/\/apod.nasa.gov\/apod\/image\/2605\/supernova.mp4 Kdysi d\u00e1vno, v jedn\u00e9 vzd\u00e1len\u00e9 galaxii, byla mohutn\u00e1 hv\u011bzda zni\u010dena v\u00fdbuchem supernovy. Sv\u011btlo z t\u00e9to ud\u00e1losti putovalo des\u00edtky milion\u016f let a minul\u00fd t\u00fdden dorazilo na Zemi jako supernova 2026kid. [&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-3858","post","type-post","status-publish","format-standard","hentry","category-nasa"],"_links":{"self":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3858","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=3858"}],"version-history":[{"count":1,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3858\/revisions"}],"predecessor-version":[{"id":3859,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3858\/revisions\/3859"}],"wp:attachment":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media?parent=3858"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/categories?post=3858"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/tags?post=3858"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}