Thor m\u00e1 nejen sv\u016fj vlastn\u00ed den (\u010dtvrtek), ale i p\u0159ilbu na nebes\u00edch. NGC 2359, lidov\u011b naz\u00fdvan\u00e1 Thorova helma, je kosmick\u00fd mrak ve tvaru klobouku s k\u0159\u00eddlovit\u00fdmi v\u00fdr\u016fstky. Thorova helma m\u00e1 i na seversk\u00e9ho boha hrdinsk\u00e9 rozm\u011bry a jej\u00ed pr\u016fm\u011br \u010din\u00ed asi 30 sv\u011bteln\u00fdch let. Ve skute\u010dnosti se tato kosmick\u00e1 pokr\u00fdvka hlavy sp\u00ed\u0161e podob\u00e1 mezihv\u011bzdn\u00e9 bublin\u011b, kterou nafukuje siln\u00fd v\u00edtr z jasn\u00e9, masivn\u00ed hv\u011bzdy pobl\u00ed\u017e jej\u00edho st\u0159edu. Centr\u00e1ln\u00ed hv\u011bzda, zn\u00e1m\u00e1 jako Wolf-Rayetova hv\u011bzda, je extr\u00e9mn\u011b hork\u00fd obr, o kter\u00e9m se p\u0159edpokl\u00e1d\u00e1, \u017ee se nach\u00e1z\u00ed v kr\u00e1tk\u00e9 f\u00e1zi v\u00fdvoje p\u0159ed supernovou. NGC 2359 se nach\u00e1z\u00ed asi 15 000 sv\u011bteln\u00fdch let daleko ve sm\u011bru k souhv\u011bzd\u00ed Velk\u00e9ho psa. Tento ostr\u00fd sn\u00edmek je kombinac\u00ed hlubok\u00fdch sn\u00edmk\u016f po\u0159\u00edzen\u00fdch ve sv\u011btle vyza\u0159ovan\u00e9m vod\u00edkem (\u010derven\u00e1) a kysl\u00edkem (modr\u00e1). O\u010dek\u00e1v\u00e1 se, \u017ee hv\u011bzda v centru Thorovy helmy exploduje v podob\u011b velkolep\u00e9 supernovy n\u011bkdy v pr\u016fb\u011bhu p\u0159\u00ed\u0161t\u00edch n\u011bkolika tis\u00edc let. P\u0159ekvapen\u00ed na obloze: Jak\u00fd obr\u00e1zek zve\u0159ejnil APOD v den va\u0161ich narozenin? (po roce 1995)<\/p>\n
<\/p>\n
**Credit**: Josep Drudis,
\nChristian Sasse<\/p>\n","protected":false},"excerpt":{"rendered":"
Thor m\u00e1 nejen sv\u016fj vlastn\u00ed den (\u010dtvrtek), ale i p\u0159ilbu na nebes\u00edch. NGC 2359, lidov\u011b naz\u00fdvan\u00e1 Thorova helma, je kosmick\u00fd mrak ve tvaru klobouku s k\u0159\u00eddlovit\u00fdmi v\u00fdr\u016fstky. Thorova helma m\u00e1 […]<\/p>\n","protected":false},"author":1,"featured_media":3912,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3911","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\/3911","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=3911"}],"version-history":[{"count":0,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3911\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media\/3912"}],"wp:attachment":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media?parent=3911"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/categories?post=3911"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/tags?post=3911"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}