Kr\u00e1sn\u00e1 a jasn\u00e1 spir\u00e1ln\u00ed galaxie M83 le\u017e\u00ed ve vzd\u00e1lenosti p\u0159ibli\u017en\u011b dvan\u00e1cti milion\u016f sv\u011bteln\u00fdch let, pobl\u00ed\u017e jihov\u00fdchodn\u00edho c\u00edpu velmi dlouh\u00e9 souhv\u011bzd\u00ed Hydry. V\u00fdrazn\u00e1 spir\u00e1ln\u00ed ramena, kter\u00e1 vymezuj\u00ed tmav\u00e9 prachov\u00e9 pruhy a modr\u00e9 hv\u011bzdokupy, d\u00e1vaj\u00ed t\u00e9to galaxii jej\u00ed lidov\u00fd n\u00e1zev \u201eJi\u017en\u00ed v\u011btrn\u00edk\u201c. Na druhou stranu na\u010dervenal\u00e9 oblasti tvorby hv\u011bzd, kter\u00e9 posetuj\u00ed spir\u00e1ln\u00ed ramena tohoto kosmick\u00e9ho v\u011btrn\u00edku, daly vzniknout dal\u0161\u00ed p\u0159ezd\u00edvce \u2013 \u201eGalaxie tis\u00edce rub\u00edn\u016f\u201c. M83, jej\u00ed\u017e pr\u016fm\u011br \u010din\u00ed pouh\u00fdch 40 000 sv\u011bteln\u00fdch let a kter\u00e1 je tedy men\u0161\u00ed ne\u017e Ml\u00e9\u010dn\u00e1 dr\u00e1ha, pat\u0159\u00ed do skupiny galaxi\u00ed, jej\u00ed\u017e sou\u010d\u00e1st\u00ed je i aktivn\u00ed galaxie Centaurus A. Ve skute\u010dnosti je j\u00e1dro samotn\u00e9 M83 jasn\u00e9 v rentgenov\u00e9m z\u00e1\u0159en\u00ed, co\u017e sv\u011bd\u010d\u00ed o vysok\u00e9 koncentraci neutronov\u00fdch hv\u011bzd a \u010dern\u00fdch d\u011br, kter\u00e9 zbyly po intenzivn\u00edm v\u00fdbuchu hv\u011bzdotvorby. Tento ostr\u00fd sn\u00edmek po\u0159\u00edzen\u00fd pozemn\u00edm dalekohledem zachycuje tak\u00e9 hv\u011bzdy Ml\u00e9\u010dn\u00e9 dr\u00e1hy v pop\u0159ed\u00ed a vzd\u00e1len\u00e9 galaxie v pozad\u00ed. Hlavn\u00ed str\u00e1nka APOD na webu NASA se st\u011bhuje: z apod.nasa.gov na science.nasa.gov\/apod<\/p>\n
<\/p>\n
**Credit**: Aldo Zanetti<\/p>\n","protected":false},"excerpt":{"rendered":"
Kr\u00e1sn\u00e1 a jasn\u00e1 spir\u00e1ln\u00ed galaxie M83 le\u017e\u00ed ve vzd\u00e1lenosti p\u0159ibli\u017en\u011b dvan\u00e1cti milion\u016f sv\u011bteln\u00fdch let, pobl\u00ed\u017e jihov\u00fdchodn\u00edho c\u00edpu velmi dlouh\u00e9 souhv\u011bzd\u00ed Hydry. V\u00fdrazn\u00e1 spir\u00e1ln\u00ed ramena, kter\u00e1 vymezuj\u00ed tmav\u00e9 prachov\u00e9 pruhy a […]<\/p>\n","protected":false},"author":1,"featured_media":4066,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4065","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\/4065","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=4065"}],"version-history":[{"count":0,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/4065\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media\/4066"}],"wp:attachment":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media?parent=4065"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/categories?post=4065"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/tags?post=4065"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}