Co znamen\u00e1, kdy\u017e jsou Saturn a Neptun v retrogr\u00e1dn\u00edm pohybu? Na sn\u00edmku je kompozice fotografi\u00ed po\u0159\u00edzen\u00fdch b\u011bhem 34 noc\u00ed od kv\u011btna 2025 do \u00fanora 2026, zachycuj\u00edc\u00ed Saturn (jasn\u011bj\u0161\u00ed, v pop\u0159ed\u00ed) a Neptun (tmav\u0161\u00ed, v pozad\u00ed). B\u011bhem t\u00e9to doby vykazovaly ob\u011b planety retrogr\u00e1dn\u00ed pohyb, co\u017e znamen\u00e1, \u017ee se na obloze zd\u00e1nliv\u011b pohybovaly zp\u011bt. K tomuto zd\u00e1nliv\u00e9mu pohybu dozadu doch\u00e1z\u00ed, kdy\u017e Zem\u011b p\u0159edb\u011bhne pomalej\u0161\u00ed vn\u011bj\u0161\u00ed planety na jejich ob\u011b\u017en\u00e9 dr\u00e1ze kolem Slunce. P\u0159edstavte si, \u017ee slune\u010dn\u00ed soustava je b\u011b\u017eeck\u00e1 dr\u00e1ha. Zem\u011b \u201eb\u011b\u017e\u00ed\u201c po vnit\u0159n\u00ed stran\u011b dr\u00e1hy rychleji ne\u017e vn\u011bj\u0161\u00ed planety. Jak se Zem\u011b p\u0159ibli\u017euje, vyrovn\u00e1v\u00e1 se s vn\u011bj\u0161\u00edmi planetami a pot\u00e9 je \u201ep\u0159edb\u011bhne\u201c, m\u011bn\u00ed se z pohledu Zem\u011b jejich pozice z p\u0159edn\u00ed na zadn\u00ed. Pr\u00e1v\u011b tato zm\u011bna perspektivy zp\u016fsobuje, \u017ee vn\u011bj\u0161\u00ed planety m\u011bn\u00ed svou pozici na no\u010dn\u00ed obloze. Animace odpov\u00eddaj\u00edc\u00ed dne\u0161n\u00edmu sn\u00edmku ukazuje n\u011bkolikam\u011bs\u00ed\u010dn\u00ed tanec Saturnu a Neptunu po severn\u00ed no\u010dn\u00ed obloze. Saturn p\u0159e\u0161el ze souhv\u011bzd\u00ed Ryb do Vodn\u00e1\u0159e a zp\u011bt, zat\u00edmco Neptun z\u016fstal v Ryb\u00e1ch. Toto je nejbli\u017e\u0161\u00ed vzd\u00e1lenost, v jak\u00e9 se Saturn a Neptun na obloze nach\u00e1zely od jejich posledn\u00ed konjunkce v roce 1989.<\/p>\n
<\/p>\n
**Credit**: Tun\u00e7 Tezel (TWAN)<\/p>\n
Text:
\nKeighley Rockcliffe
\n(NASA
\nGSFC,
\nUMBC CSST,
\nCRESST II)<\/p>\n","protected":false},"excerpt":{"rendered":"
Co znamen\u00e1, kdy\u017e jsou Saturn a Neptun v retrogr\u00e1dn\u00edm pohybu? Na sn\u00edmku je kompozice fotografi\u00ed po\u0159\u00edzen\u00fdch b\u011bhem 34 noc\u00ed od kv\u011btna 2025 do \u00fanora 2026, zachycuj\u00edc\u00ed Saturn (jasn\u011bj\u0161\u00ed, v pop\u0159ed\u00ed) […]<\/p>\n","protected":false},"author":1,"featured_media":3857,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3856","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\/3856","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=3856"}],"version-history":[{"count":0,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3856\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media\/3857"}],"wp:attachment":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media?parent=3856"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/categories?post=3856"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/tags?post=3856"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}