Rozhoduj\u00edc\u00ed astronomick\u00fd okam\u017eik dne\u0161n\u00edho rovnodennosti nastane ve 14:46 UTC (20. b\u0159ezna). Pr\u00e1v\u011b v tu chv\u00edli Slunce p\u0159i sv\u00e9 ka\u017edoro\u010dn\u00ed cest\u011b po obloze nad Zem\u00ed p\u0159ekro\u010d\u00ed nebesk\u00fd rovn\u00edk sm\u011brem na sever, \u010d\u00edm\u017e na na\u0161\u00ed kr\u00e1sn\u00e9 planet\u011b ohla\u0161uje za\u010d\u00e1tek jara na severn\u00ed polokouli a podzimu na ji\u017en\u00ed polokouli. V tuto chv\u00edli jsou den a noc po cel\u00e9m sv\u011bt\u011b t\u00e9m\u011b\u0159 stejn\u011b dlouh\u00e9. Ve skute\u010dnosti jsou v t\u00e9to kompozici oblohy pou\u017eity jak denn\u00ed, tak no\u010dn\u00ed sn\u00edmky z jarn\u00ed rovnodennosti po\u0159\u00edzen\u00e9 v Observatorio del Teide na Tenerife na Kan\u00e1rsk\u00fdch ostrovech ve \u0160pan\u011blsku. V r\u00e1mci tohoto ambici\u00f3zn\u00edho projektu rovnodennosti bylo po\u0159\u00edzeno v\u00edce ne\u017e 1 000 sn\u00edmk\u016f ryb\u00edm okem a n\u00e1sledn\u011b slou\u010deno. Zd\u00e1nliv\u00fd pohyb zapadaj\u00edc\u00edho Slunce pod\u00e9l nebesk\u00e9ho rovn\u00edku v den rovnodennosti sleduje jasnou line\u00e1rn\u00ed, diagon\u00e1ln\u00ed dr\u00e1hu z \u0159ady denn\u00edch expozic po\u0159\u00edzen\u00fdch v pr\u016fb\u011bhu 6 hodin. Po z\u00e1padu slunce no\u010dn\u00ed expozice zaznamenaly stopy hv\u011bzd, p\u0159i\u010dem\u017e nebesk\u00fd rovn\u00edk tvo\u0159\u00ed line\u00e1rn\u00ed dr\u00e1hu a soust\u0159edn\u00e9 oblouky ob\u00edhaj\u00edc\u00ed kolem severn\u00edho nebesk\u00e9ho p\u00f3lu pobl\u00ed\u017e Pol\u00e1rky v prav\u00e9m horn\u00edm rohu a ji\u017en\u00edho nebesk\u00e9ho p\u00f3lu za lev\u00fdm doln\u00edm okrajem (a pod horizontem Teide). V pop\u0159ed\u00ed je vzd\u00e1len\u00fd vrchol sopky Teide a budova slune\u010dn\u00ed laborato\u0159e observato\u0159e ve tvaru pyramidy.<\/p>\n
<\/p>\n
**Credit**: Juan Carlos Casado<\/p>\n","protected":false},"excerpt":{"rendered":"
Rozhoduj\u00edc\u00ed astronomick\u00fd okam\u017eik dne\u0161n\u00edho rovnodennosti nastane ve 14:46 UTC (20. b\u0159ezna). Pr\u00e1v\u011b v tu chv\u00edli Slunce p\u0159i sv\u00e9 ka\u017edoro\u010dn\u00ed cest\u011b po obloze nad Zem\u00ed p\u0159ekro\u010d\u00ed nebesk\u00fd rovn\u00edk sm\u011brem na sever, […]<\/p>\n","protected":false},"author":1,"featured_media":3779,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3778","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\/3778","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=3778"}],"version-history":[{"count":0,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3778\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media\/3779"}],"wp:attachment":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media?parent=3778"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/categories?post=3778"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/tags?post=3778"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}