{"id":3905,"date":"2026-06-02T15:49:24","date_gmt":"2026-06-02T15:49:24","guid":{"rendered":"https:\/\/astrohodonin.cz\/index.php\/2026\/06\/02\/zbytky-supernovy-vela\/"},"modified":"2026-06-02T15:49:24","modified_gmt":"2026-06-02T15:49:24","slug":"zbytky-supernovy-vela","status":"publish","type":"post","link":"https:\/\/astrohodonin.cz\/index.php\/2026\/06\/02\/zbytky-supernovy-vela\/","title":{"rendered":"Zbytky supernovy Vela"},"content":{"rendered":"<p>V\u00fdbuch sice skon\u010dil, ale jeho n\u00e1sledky p\u0159etrv\u00e1vaj\u00ed.  P\u0159ibli\u017en\u011b p\u0159ed dvan\u00e1cti tis\u00edci lety n\u00e1hle explodovala relativn\u011b b\u011b\u017en\u00e1 hv\u011bzda v souhv\u011bzd\u00ed Vela, \u010d\u00edm\u017e vznikl podivn\u00fd sv\u011bteln\u00fd bod, kter\u00fd byl na kr\u00e1tkou dobu viditeln\u00fd pro lidi \u017eij\u00edc\u00ed na po\u010d\u00e1tku zaznamenan\u00e9 historie.  Vn\u011bj\u0161\u00ed vrstvy hv\u011bzdy narazily do mezihv\u011bzdn\u00e9ho prost\u0159ed\u00ed a vyvolaly r\u00e1zovou vlnu, kter\u00e1 je viditeln\u00e1 dodnes.  \u00davodn\u00ed sn\u00edmek, po\u0159\u00edzen\u00fd po \u010d\u00e1stech b\u011bhem 60 hodin z namibijsk\u00e9 oblasti Khomas, zachycuje \u010d\u00e1st tohoto vl\u00e1knit\u00e9ho a gigantick\u00e9ho r\u00e1zov\u00e9ho vln\u011bn\u00ed ve viditeln\u00e9m sv\u011btle, p\u0159i\u010dem\u017e detaily jsou zv\u00fdrazn\u011bny emisemi vod\u00edku (\u010derven\u00e1) a kysl\u00edku (modr\u00e1). Jak plyn unik\u00e1 z explodovan\u00e9 hv\u011bzdy, rozpad\u00e1 se a reaguje s mezihv\u011bzdn\u00fdm prost\u0159ed\u00edm, \u010d\u00edm\u017e vytv\u00e1\u0159\u00ed sv\u011btlo v mnoha r\u016fzn\u00fdch barv\u00e1ch a energetick\u00fdch p\u00e1smech. V centru zbytku supernovy Vela z\u016fst\u00e1v\u00e1 pulsar, hv\u011bzda hust\u00e1 jako jadern\u00e1 hmota, kter\u00e1 se oto\u010d\u00ed v\u00edce ne\u017e desetkr\u00e1t za sekundu.   Prozkoumejte vesm\u00edr: N\u00e1hodn\u00fd gener\u00e1tor APOD<\/p>\n<p><!-- astropress --><\/p>\n<p>**Credit**: Jos\u00e9 Mtanous<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V\u00fdbuch sice skon\u010dil, ale jeho n\u00e1sledky p\u0159etrv\u00e1vaj\u00ed. P\u0159ibli\u017en\u011b p\u0159ed dvan\u00e1cti tis\u00edci lety n\u00e1hle explodovala relativn\u011b b\u011b\u017en\u00e1 hv\u011bzda v souhv\u011bzd\u00ed Vela, \u010d\u00edm\u017e vznikl podivn\u00fd sv\u011bteln\u00fd bod, kter\u00fd byl na kr\u00e1tkou dobu [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3906,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3905","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\/3905","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=3905"}],"version-history":[{"count":0,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3905\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media\/3906"}],"wp:attachment":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media?parent=3905"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/categories?post=3905"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/tags?post=3905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}