Nenechte se vyd\u011bsit p\u0159\u00edzra\u010dn\u00fdmi paprsky Saturnu! Dnes v\u00e1m p\u0159in\u00e1\u0161\u00edme t\u00e9m\u011b\u0159 dvouhodinov\u00fd \u010dasosb\u011brn\u00fd z\u00e1znam Saturnu a jeho prstenc\u016f, kter\u00fd se p\u0159ehr\u00e1v\u00e1 dop\u0159edu i dozadu. Den na Saturnu trv\u00e1 pouh\u00fdch 10 hodin, tak\u017ee dv\u011b hodiny pozorov\u00e1n\u00ed pokr\u00fdvaj\u00ed zna\u010dnou \u010d\u00e1st jeho rotace. Pokud se pod\u00edv\u00e1te pozorn\u011b, uvid\u00edte, jak se p\u0159i rotaci Saturnova prstence B objevuje a miz\u00ed stra\u0161ideln\u00fd st\u00edn. Des\u00edtky let pozorov\u00e1n\u00ed sondami Voyager 2, Cassini a Hubbleov\u00fdm teleskopem ukazuj\u00ed, \u017ee vzhled Saturnov\u00fdch paprsk\u016f se m\u011bn\u00ed v z\u00e1vislosti na ro\u010dn\u00edch obdob\u00edch planety. Stejn\u011b jako u Zem\u011b je i osa ot\u00e1\u010den\u00ed Saturnu naklon\u011bna v\u016f\u010di rovin\u011b jeho ob\u011b\u017en\u00e9 dr\u00e1hy kolem Slunce. B\u011bhem saturnov\u00e9ho rovnodennosti jsou prstence m\u00e9n\u011b naklon\u011bny sm\u011brem od Slunce a planeta p\u0159ij\u00edm\u00e1 rovnom\u011brn\u011bji rozlo\u017een\u00e9 slune\u010dn\u00ed sv\u011btlo a slune\u010dn\u00ed v\u00edtr. A\u010dkoli jejich p\u016fvod z\u016fst\u00e1v\u00e1 nejasn\u00fd, saturnsk\u00e9 paprsky mohou b\u00fdt st\u00edny a odrazy prachu a ledu vzn\u00e1\u0161ej\u00edc\u00edch se nad prstenci, zp\u016fsoben\u00e9 elektromagnetick\u00fdmi interakcemi mezi slune\u010dn\u00edm v\u011btrem a magnetick\u00fdm polem planety. Najd\u011bte si tmavou oblohu a v srpnu vzhl\u00e9dn\u011bte nahoru, abyste mohli bez ru\u0161iv\u00e9ho vlivu M\u011bs\u00edce sledovat meteorick\u00fd roj Perzeidy!<\/p>\n
<\/p>\n
**Credit**: Brad Croslin<\/p>\n
Text:
\nKeighley Rockcliffe
\n(NASA
\nGSFC,
\nUMBC CSST,
\nCRESST II)<\/p>\n","protected":false},"excerpt":{"rendered":"
Nenechte se vyd\u011bsit p\u0159\u00edzra\u010dn\u00fdmi paprsky Saturnu! Dnes v\u00e1m p\u0159in\u00e1\u0161\u00edme t\u00e9m\u011b\u0159 dvouhodinov\u00fd \u010dasosb\u011brn\u00fd z\u00e1znam Saturnu a jeho prstenc\u016f, kter\u00fd se p\u0159ehr\u00e1v\u00e1 dop\u0159edu i dozadu. Den na Saturnu trv\u00e1 pouh\u00fdch 10 hodin, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3997","post","type-post","status-publish","format-standard","hentry","category-nasa"],"_links":{"self":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3997","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=3997"}],"version-history":[{"count":0,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3997\/revisions"}],"wp:attachment":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media?parent=3997"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/categories?post=3997"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/tags?post=3997"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}