{"id":3923,"date":"2026-06-25T15:50:12","date_gmt":"2026-06-25T15:50:12","guid":{"rendered":"https:\/\/astrohodonin.cz\/index.php\/2026\/06\/25\/antikrepuskularni-paprsky-nad-sicilii\/"},"modified":"2026-06-25T15:50:12","modified_gmt":"2026-06-25T15:50:12","slug":"antikrepuskularni-paprsky-nad-sicilii","status":"publish","type":"post","link":"https:\/\/astrohodonin.cz\/index.php\/2026\/06\/25\/antikrepuskularni-paprsky-nad-sicilii\/","title":{"rendered":"Antikrepuskul\u00e1rn\u00ed paprsky nad Sic\u00edli\u00ed"},"content":{"rendered":"<p>Slunce pr\u00e1v\u011b zapadlo\u2026 na opa\u010dn\u00e9 stran\u011b oblohy.   Na tomto sn\u00edmku v\u00e1pencov\u00e9 plo\u0161iny v srdci poho\u0159\u00ed Hyblae v jihov\u00fdchodn\u00ed \u010d\u00e1sti Sic\u00edlie v It\u00e1lii jsou zachyceny protisv\u00edtac\u00ed paprsky, kter\u00e9 se zjevn\u011b sb\u00edhaj\u00ed na v\u00fdchod\u011b.   Jak vznikly tyto protisv\u00edtac\u00ed paprsky, kdy\u017e tam Slunce nebylo?   Po z\u00e1padu Slunce (jako obvykle na z\u00e1pad\u011b) jeho sv\u011btlo st\u00e1le osv\u011btlovalo mrak vysoko na obloze.   Slune\u010dn\u00ed sv\u011btlo, \u010d\u00e1ste\u010dn\u011b blokovan\u00e9 mrakem, vytv\u00e1\u0159elo vzory sv\u011btla a st\u00ednu, kter\u00e9 se t\u00e1hly po obloze v rovnob\u011b\u017en\u00fdch lini\u00edch.   D\u00edky perspektiv\u011b to vypad\u00e1, jako by se sb\u00edhaly na v\u00fdchod\u011b, stejn\u011b jako se v d\u00e1lce zd\u00e1, \u017ee se setk\u00e1vaj\u00ed koleje vlaku.   K tomuto jevu m\u016f\u017ee doj\u00edt i p\u0159i v\u00fdchodu slunce, pouze se prohod\u00ed sm\u011bry.   Ve vz\u00e1cn\u00fdch p\u0159\u00edpadech lze sou\u010dasn\u011b pozorovat jak soumraky, tak protisoumraky.<\/p>\n<p><!-- astropress --><\/p>\n<p>**Credit**: Marcella Giulia Pace<br \/>\n Text:<br \/>\nCecilia Chirenti<br \/>\n(NASA<br \/>\nGSFC,<br \/>\nUMCP,<br \/>\nCRESST II)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Slunce pr\u00e1v\u011b zapadlo\u2026 na opa\u010dn\u00e9 stran\u011b oblohy. Na tomto sn\u00edmku v\u00e1pencov\u00e9 plo\u0161iny v srdci poho\u0159\u00ed Hyblae v jihov\u00fdchodn\u00ed \u010d\u00e1sti Sic\u00edlie v It\u00e1lii jsou zachyceny protisv\u00edtac\u00ed paprsky, kter\u00e9 se zjevn\u011b sb\u00edhaj\u00ed [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3924,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3923","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\/3923","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=3923"}],"version-history":[{"count":0,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3923\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media\/3924"}],"wp:attachment":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media?parent=3923"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/categories?post=3923"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/tags?post=3923"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}