Vid\u00edte tu modrou skvrnu vpravo dole od st\u0159edu obr\u00e1zku? Astronomov\u00e9 se domn\u00edvaj\u00ed, \u017ee ozna\u010duje m\u00edsto, kde explodovala hmotn\u00e1 hv\u011bzda jako supernova, jej\u00ed\u017e sv\u011btlo dorazilo na Zemi p\u0159ed 1 700 lety. Sn\u00edmek kombinuje optick\u00e1 data z dalekohled\u016f PanSTARRS na Havaji (hv\u011bzdy v pozad\u00ed v \u010derven\u00e9, zelen\u00e9 a modr\u00e9 barv\u011b), r\u00e1diov\u00e1 data z dalekohledu MeerKAT v Ji\u017en\u00ed Africe (velk\u00fd \u010derven\u00fd mrak) a rentgenov\u00e1 data z rentgenov\u00e9 observato\u0159e Chandra NASA a z dru\u017eice XMM-Newton agentury ESA (zobrazeno mod\u0159e). Tento velk\u00fd mrak je oblast\u00ed tvorby hv\u011bzd zvanou Sagittarius C, kter\u00e1 m\u00e1 rozlohu p\u0159ibli\u017en\u011b 50 sv\u011bteln\u00fdch let a nach\u00e1z\u00ed se asi 26 000 sv\u011bteln\u00fdch let od Zem\u011b. Nach\u00e1z\u00ed se pouze asi 260 sv\u011bteln\u00fdch let od supermasivn\u00ed \u010dern\u00e9 d\u00edry v centru Galaxie (vlevo na sn\u00edmku). Pokud se potvrd\u00ed, \u017ee modr\u00e1 skvrna je poz\u016fstatek supernovy, jednalo by se o jeden z nejbli\u017e\u0161\u00edch k centru Galaxie, jak\u00fd byl kdy objeven. V t\u00e9to hust\u00e9 oblasti je z\u00e1nik hmotn\u00fdch hv\u011bzd slo\u017eit\u00fdm zp\u016fsobem propojen se zrodem nov\u00fdch hv\u011bzd prost\u0159ednictv\u00edm plynu a magnetick\u00fdch pol\u00ed.<\/p>\n
<\/p>\n
**Credit**: X-ray: NASA\/CXC\/UCLA\/Z. Zhu et al.; ESA\/XMM-Newton; Optical: PanSTARRS; Radio: MeerKAT; Image Processing: NASA\/CXC\/SAO\/L. Frattare and P. Edmonds
\n Text:
\nCecilia Chirenti
\n(NASA
\nGSFC,
\nUMCP,
\nCRESST II)<\/p>\n","protected":false},"excerpt":{"rendered":"
Vid\u00edte tu modrou skvrnu vpravo dole od st\u0159edu obr\u00e1zku? Astronomov\u00e9 se domn\u00edvaj\u00ed, \u017ee ozna\u010duje m\u00edsto, kde explodovala hmotn\u00e1 hv\u011bzda jako supernova, jej\u00ed\u017e sv\u011btlo dorazilo na Zemi p\u0159ed 1 700 lety. […]<\/p>\n","protected":false},"author":1,"featured_media":3916,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3915","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\/3915","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=3915"}],"version-history":[{"count":0,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3915\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media\/3916"}],"wp:attachment":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media?parent=3915"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/categories?post=3915"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/tags?post=3915"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}