Je v pou\u0161ti Tatacoa n\u011bjak\u00fd rozzloben\u00fd Sith, kter\u00fd pou\u017e\u00edv\u00e1 blesky S\u00edly? Nejedn\u00e1 se o sci-fi, ale o \u010derven\u00fd sprite s n\u011bkolika pruhy! B\u011b\u017en\u00fd blesk vznik\u00e1, kdy\u017e se \u010d\u00e1stice v bou\u0159kov\u00e9m mraku sraz\u00ed, ztrat\u00ed sv\u00e9 elektrony a na spodn\u00ed stran\u011b mraku se nahromad\u00ed z\u00e1porn\u00fd n\u00e1boj. Z\u00e1porn\u00fd n\u00e1boj mraku odpuzuje z\u00e1porn\u00fd n\u00e1boj hloub\u011bji do Zem\u011b, \u010d\u00edm\u017e se povrch Zem\u011b st\u00e1v\u00e1 kladn\u011b nabit\u00fdm. Opa\u010dn\u00e9 n\u00e1boje se p\u0159itahuj\u00ed, sm\u011b\u0159uj\u00ed k sob\u011b a p\u0159eh\u0159\u00edvaj\u00ed vzduch do podoby b\u00edl\u00e9ho plazmov\u00e9ho v\u00fdboje. \u010cerven\u00e9 spritov\u00e9 jevy jsou ud\u00e1losti trvaj\u00edc\u00ed milisekundy, kter\u00e9 spou\u0161t\u00ed kladn\u00e9 blesky z mraku do zem\u011b. \u0160\u00ed\u0159\u00ed se a\u017e do mezosf\u00e9ry, kde je vzduch p\u0159\u00edli\u0161 \u0159\u00eddk\u00fd na to, aby v n\u011bm vznikaly hromy. Jejich \u010derven\u00e1 z\u00e1\u0159e poch\u00e1z\u00ed z roz\u017ehaven\u00e9ho molekul\u00e1rn\u00edho dus\u00edku. Existuje n\u011bkolik mo\u017en\u00fdch p\u0159\u00ed\u010din vzniku \u010derven\u00fdch sprit\u016f, mimo jin\u00e9 to, \u017ee p\u0159edchoz\u00ed kladn\u00fd blesk vystav\u00ed z\u00e1porn\u011b nabit\u00e9 j\u00e1dro mraku kladn\u011b nabit\u00e9 horn\u00ed atmosf\u00e9\u0159e, \u010d\u00edm\u017e umo\u017en\u00ed spojen\u00ed t\u011bchto n\u00e1boj\u016f. Sonda Juno agentury NASA pozorovala sprit na Jupiteru, co\u017e nazna\u010duje, \u017ee se sprit vyskytuj\u00ed i na jin\u00fdch planet\u00e1ch!<\/p>\n
<\/p>\n
**Credit**: Mario Vargas<\/p>\n
Text:
\nKeighley Rockcliffe
\n(NASA
\nGSFC,
\nUMBC CSST,
\nCRESST II)<\/p>\n","protected":false},"excerpt":{"rendered":"
Je v pou\u0161ti Tatacoa n\u011bjak\u00fd rozzloben\u00fd Sith, kter\u00fd pou\u017e\u00edv\u00e1 blesky S\u00edly? Nejedn\u00e1 se o sci-fi, ale o \u010derven\u00fd sprite s n\u011bkolika pruhy! B\u011b\u017en\u00fd blesk vznik\u00e1, kdy\u017e se \u010d\u00e1stice v bou\u0159kov\u00e9m […]<\/p>\n","protected":false},"author":1,"featured_media":3958,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3957","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\/3957","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=3957"}],"version-history":[{"count":0,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/posts\/3957\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media\/3958"}],"wp:attachment":[{"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/media?parent=3957"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/categories?post=3957"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/astrohodonin.cz\/index.php\/wp-json\/wp\/v2\/tags?post=3957"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}