{"id":3757,"date":"2026-03-11T16:37:47","date_gmt":"2026-03-11T16:37:47","guid":{"rendered":"https:\/\/astrohodonin.cz\/index.php\/2026\/03\/11\/cg-4-globule-a-galaxie-2\/"},"modified":"2026-03-11T16:37:47","modified_gmt":"2026-03-11T16:37:47","slug":"cg-4-globule-a-galaxie-2","status":"publish","type":"post","link":"https:\/\/astrohodonin.cz\/index.php\/2026\/03\/11\/cg-4-globule-a-galaxie-2\/","title":{"rendered":"CG 4: Globule a galaxie"},"content":{"rendered":"<p>Je to kosmick\u00e9 monstrum p\u0159ipraven\u00e9 pohltit nic netu\u0161\u00edc\u00ed galaxii? Na\u0161t\u011bst\u00ed tomu tak nen\u00ed. \u010cerven\u00e9 \u201emonstrum\u201c na obr\u00e1zku je komet\u00e1rn\u00ed globule CG 4, vzd\u00e1len\u00e1 1 300 sv\u011bteln\u00fdch let v souhv\u011bzd\u00ed Puppis. CG 4 je molekul\u00e1rn\u00ed mrak, kde se vod\u00edk ochlad\u00ed natolik, \u017ee se vytvo\u0159\u00ed molekuly, kter\u00e9 mohou b\u00fdt gravitac\u00ed spojeny a vytvo\u0159it hv\u011bzdy. Tvar CG 4 p\u0159ipom\u00edn\u00e1 kometu, ale jej\u00ed hlava m\u00e1 pr\u016fm\u011br 1,5 sv\u011bteln\u00e9ho roku a ocas je dlouh\u00fd 8 sv\u011bteln\u00fdch let; pro srovn\u00e1n\u00ed, vzd\u00e1lenost Zem\u011b od Slunce je pouze 8 sv\u011bteln\u00fdch minut. Astronomov\u00e9 se domn\u00edvaj\u00ed, \u017ee ocas komet\u00e1rn\u00ed globule mohl b\u00fdt vytvo\u0159en v\u00fdbuchem supernovy v bl\u00edzkosti nebo oz\u00e1\u0159en\u00edm hork\u00fdch, hmotn\u00fdch hv\u011bzd. CG 4 a dal\u0161\u00ed bl\u00edzk\u00e9 globule skute\u010dn\u011b sm\u011b\u0159uj\u00ed od zbytku supernovy Vela v centru mlhoviny Gum. Spir\u00e1lov\u00e1 galaxie ESO 257-19, kter\u00e1 je od CG 4 vzd\u00e1lena v\u00edce ne\u017e sto milion\u016f sv\u011bteln\u00fdch let, je p\u0159ed t\u00edmto \u201emonstrem\u201c zcela v bezpe\u010d\u00ed.<\/p>\n<p><!-- astropress --><\/p>\n<p>**Credit**: William Vrbasso<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Je to kosmick\u00e9 monstrum p\u0159ipraven\u00e9 pohltit nic netu\u0161\u00edc\u00ed galaxii? Na\u0161t\u011bst\u00ed tomu tak nen\u00ed. \u010cerven\u00e9 \u201emonstrum\u201c na obr\u00e1zku je komet\u00e1rn\u00ed globule CG 4, vzd\u00e1len\u00e1 1 300 sv\u011bteln\u00fdch let v souhv\u011bzd\u00ed Puppis. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3756,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3757","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\/3757","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=3757"}],"version-history":[{"count":0,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3757\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media\/3756"}],"wp:attachment":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media?parent=3757"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/categories?post=3757"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/tags?post=3757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}