V mlhovin\u011b Gum le\u017e\u00ed temn\u00fd vlk. Ne, tohle nen\u00ed h\u00e1danka! Dne\u0161n\u00ed sn\u00edmek zachycuje mlhovinu Temn\u00fd vlk (Sandqvist\u2013Lindroos 17), tajemn\u00fd prachov\u00fd oblak ukryt\u00fd v mlhovin\u011b Gum 55 (RCW 113) v souhv\u011bzd\u00ed \u0160t\u00edra. A\u010dkoli je pro n\u00e1s prach nep\u0159\u00edjemnou p\u0159ek\u00e1\u017ekou, hraje z\u00e1sadn\u00ed roli p\u0159i vytv\u00e1\u0159en\u00ed podm\u00ednek nezbytn\u00fdch pro zrod hv\u011bzd. Mlhovina Temn\u00fd vlk pohlcuje intenzivn\u00ed ultrafialov\u00e9 a viditeln\u00e9 sv\u011btlo vyza\u0159ovan\u00e9 mlad\u00fdmi hv\u011bzdami v mlhovin\u011b Gum 55 a znovu ho vyza\u0159uje v del\u0161\u00edch, p\u0159ev\u00e1\u017en\u011b infra\u010derven\u00fdch vlnov\u00fdch d\u00e9lk\u00e1ch. T\u00edm zabra\u0148uje tomu, aby sv\u011btlo s vy\u0161\u0161\u00ed energi\u00ed oh\u0159\u00edvalo plyn v t\u00e9to oblasti. Kdy\u017e je oblast plynu dostate\u010dn\u011b chladn\u00e1, p\u0159evl\u00e1dne gravitace a zp\u016fsob\u00ed, \u017ee se plyn zhrout\u00ed do hv\u011bzdy. Prach nejen\u017ee funguje jako mezihv\u011bzdn\u00fd termostat, ale je tak\u00e9 m\u00edstem setk\u00e1n\u00ed jednotliv\u00fdch atom\u016f vod\u00edku, kter\u00e9 tvo\u0159\u00ed molekul\u00e1rn\u00ed vod\u00edk, stavebn\u00ed k\u00e1men hv\u011bzd. Zd\u00e1nliv\u011b zlov\u011bstn\u00fd Temn\u00fd vlk je ve skute\u010dnosti p\u0159edzv\u011bst\u00ed kosmick\u00e9ho \u017eivota.<\/p>\n
<\/p>\n
**Credit**: William Vrbasso<\/p>\n
Text:
\nKeighley Rockcliffe
\n(NASA
\nGSFC,
\nUMBC CSST,
\nCRESST II)<\/p>\n","protected":false},"excerpt":{"rendered":"
V mlhovin\u011b Gum le\u017e\u00ed temn\u00fd vlk. Ne, tohle nen\u00ed h\u00e1danka! Dne\u0161n\u00ed sn\u00edmek zachycuje mlhovinu Temn\u00fd vlk (Sandqvist\u2013Lindroos 17), tajemn\u00fd prachov\u00fd oblak ukryt\u00fd v mlhovin\u011b Gum 55 (RCW 113) v souhv\u011bzd\u00ed […]<\/p>\n","protected":false},"author":1,"featured_media":3881,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3880","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\/3880","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=3880"}],"version-history":[{"count":0,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3880\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media\/3881"}],"wp:attachment":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media?parent=3880"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/categories?post=3880"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/tags?post=3880"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}