{"id":4033,"date":"2026-08-26T15:49:19","date_gmt":"2026-08-26T15:49:19","guid":{"rendered":"https:\/\/astrohodonin.cz\/index.php\/2026\/08\/26\/snimky-z-teleskopu-jwst-mlhovina-lvi-hlava\/"},"modified":"2026-08-26T15:49:19","modified_gmt":"2026-08-26T15:49:19","slug":"snimky-z-teleskopu-jwst-mlhovina-lvi-hlava","status":"publish","type":"post","link":"https:\/\/astrohodonin.cz\/index.php\/2026\/08\/26\/snimky-z-teleskopu-jwst-mlhovina-lvi-hlava\/","title":{"rendered":"Sn\u00edmky z teleskopu JWST: Mlhovina Lv\u00ed hlava"},"content":{"rendered":"<p>D\u00edv\u00e1me se na budoucnost na\u0161eho Slunce? Vesm\u00edrn\u00fd dalekohled Jamese Webba po\u0159\u00eddil dne\u0161n\u00ed slo\u017een\u00fd sn\u00edmek mlhoviny Lv\u00ed hlava (NGC 2392) pomoc\u00ed sv\u00fdch p\u0159\u00edstroj\u016f NIRCam a MIRI. Mlhovina Lv\u00ed hlava je poz\u016fstatek hv\u011bzdy podobn\u00e9 Slunci. Tato hv\u011bzda nebyla schopna udr\u017eet v j\u00e1dru jadernou f\u00fazi pot\u0159ebnou k zachov\u00e1n\u00ed stability. Za\u010dala vyvrhovat vrstvy plynu a prachu do vesm\u00edru, \u010d\u00edm\u017e vznikla tato planet\u00e1rn\u00ed mlhovina. V nosu lva z\u016fstalo hork\u00e9 hv\u011bzdn\u00e9 j\u00e1dro, tzv. b\u00edl\u00fd trpasl\u00edk. Na ten nos nesahejte! Intenzivn\u00ed z\u00e1\u0159en\u00ed z b\u00edl\u00e9ho trpasl\u00edka ionizuje plyn, kter\u00fd se roz\u0161i\u0159uje, a vytv\u00e1\u0159\u00ed tak nepravidelnou bublinu, z n\u00ed\u017e se skl\u00e1d\u00e1 lv\u00ed tv\u00e1\u0159. Hrom\u00e1dky prachu, kter\u00e9 p\u0159e\u017eily z\u00e1\u0159en\u00ed b\u00edl\u00e9ho trpasl\u00edka, a oblak ionizovan\u00e9ho plynu tvo\u0159\u00ed lv\u00ed h\u0159\u00edvu. Tento nov\u00fd a podrobn\u011bj\u0161\u00ed pohled na mlhovinu pom\u016f\u017ee lidstvu l\u00e9pe pochopit, jak plyn a prach vz\u00e1jemn\u011b interaguj\u00ed mezi sebou i se z\u00e1\u0159en\u00edm b\u00edl\u00e9ho trpasl\u00edka.<\/p>\n<p><!-- astropress --><\/p>\n<p>**Credit**: NASA<\/p>\n","protected":false},"excerpt":{"rendered":"<p>D\u00edv\u00e1me se na budoucnost na\u0161eho Slunce? Vesm\u00edrn\u00fd dalekohled Jamese Webba po\u0159\u00eddil dne\u0161n\u00ed slo\u017een\u00fd sn\u00edmek mlhoviny Lv\u00ed hlava (NGC 2392) pomoc\u00ed sv\u00fdch p\u0159\u00edstroj\u016f NIRCam a MIRI. Mlhovina Lv\u00ed hlava je poz\u016fstatek [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4034,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4033","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\/4033","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=4033"}],"version-history":[{"count":0,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/4033\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media\/4034"}],"wp:attachment":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media?parent=4033"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/categories?post=4033"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/tags?post=4033"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}