{"id":51209,"date":"2026-04-10T15:18:10","date_gmt":"2026-04-10T15:18:10","guid":{"rendered":"https:\/\/www.europesays.com\/cz\/51209\/"},"modified":"2026-04-10T15:18:10","modified_gmt":"2026-04-10T15:18:10","slug":"vedci-vyresili-zahadu-blesku-na-saturnu","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/cz\/51209\/","title":{"rendered":"V\u011bdci vy\u0159e\u0161ili z\u00e1hadu blesk\u016f na Saturnu"},"content":{"rendered":"<p class=\"c_bz\">R\u00e1diov\u00e9 emise z\u00a0blesk\u016f na Saturnu objevily sondy Voyager u\u017e v\u00a080.\u00a0letech. Jejich interpretace ale dosud z\u016fst\u00e1vala ne\u00fapln\u00e1. P\u0159\u00edslu\u0161n\u00e9 elektrostatick\u00e9 v\u00fdboje na Saturnu byly poprv\u00e9 detekov\u00e1ny b\u011bhem pr\u016fletu sondy Voyager 1\u00a0kolem planety v\u00a0roce 1980\u00a0a\u00a0n\u00e1sledn\u011b potvrzeny p\u0159i pr\u016fletu sondy Voyager 2\u00a0v\u00a0roce 1981, jak p\u0159ipom\u00edn\u00e1 nov\u00e1 studie publikovan\u00e1 v\u00a0odborn\u00e9m \u010dasopise <a data-dot=\"atm-link\" target=\"_blank\" rel=\"noopener nofollow\" href=\"https:\/\/doi.org\/10.1029\/2025JE009079\" class=\"c_N\">Journal of Geophysical Research: Planets<\/a>. <\/p>\n<p class=\"c_bz\">D\u00edky poznatk\u016fm z\u00a0mise Cassini, kter\u00e1 pak Saturn prozkoum\u00e1vala v\u00a0letech 2004\u00a0a\u017e 2017, se nyn\u00ed t\u00fdm v\u00fdzkumn\u00edk\u016f rozhodl analyzovat 45\u00a0let star\u00e1 data znovu za pou\u017eit\u00ed modern\u011bj\u0161\u00edch technologi\u00ed. \u201eData z\u00a0mise Cassini n\u00e1m uk\u00e1zala, \u017ee polarizace elektromagnetick\u00fdch sign\u00e1l\u016f vyza\u0159ovan\u00fdch t\u011bmito v\u00fdboji p\u0159\u00edmo souvis\u00ed s\u00a0polokoul\u00ed, na kter\u00e9 bou\u0159e vznik\u00e1,\u201c \u0159ekl Imai.<\/p>\n<p class=\"c_bz\">Studie z\u00a080.\u00a0let nazna\u010dovaly, \u017ee blesky vznikaj\u00ed v\u00a0rovn\u00edkov\u00e9 oblasti Saturnu. D\u00edky vyvinut\u00ed nov\u00e9 kalibra\u010dn\u00ed metody bylo ale zji\u0161t\u011bno, \u017ee se ve skute\u010dnosti zdroje blesk\u016f nach\u00e1zely na 35.\u00a0stupni severn\u00ed \u0161\u00ed\u0159ky.<\/p>\n<p><a data-dot=\"atm-link\" target=\"_self\" href=\"https:\/\/www.novinky.cz\/clanek\/veda-skoly-vedci-z-ceska-zaznamenali-na-marsu-elektricky-vyboj-pripominajici-pozemske-blesky-40564426\" class=\"c_N\" rel=\"nofollow noopener\"><img fetchpriority=\"high\" height=\"1080\" width=\"1920\" src=\"https:\/\/www.europesays.com\/cz\/wp-content\/uploads\/2026\/03\/veda-mars-blesk-praha-vedci-matfyz-akademie-ved-av-cr.jpeg\" loading=\"eager\" decoding=\"sync\" class=\"c_t c_r\"\/><\/a><\/p>\n<p class=\"c_bz\">\u201eZd\u00e1nliv\u011b vy\u0161\u0161\u00ed periodicita odpov\u00eddaj\u00edc\u00ed rovn\u00edku byla zp\u016fsobena takzvan\u00fdm efektem za obzorem v\u00a0ionosf\u00e9\u0159e Saturnu, kter\u00e1 r\u00e1diov\u00e9 vlny oh\u00fdb\u00e1,\u201c uvedl Imai.<\/p>\n<p>Vyplat\u00ed se zkoumat star\u00e9 z\u00e1znamy nov\u00fdmi technologiemi<\/p>\n<p class=\"c_bz\">Tato skute\u010dnost nebyla v\u00a0obdob\u00ed mis\u00ed Voyageru je\u0161t\u011b zn\u00e1ma. Na nov\u00e9 metod\u011b v\u011bdci z\u00a0\u00dastavu fyziky atmosf\u00e9ry AV \u010cR spolupracovali s\u00a0univerzitou ze \u0160t\u00fdrsk\u00e9ho Hradce v\u00a0Rakousku.<\/p>\n<p class=\"c_bz\">\u201eR\u00e1diov\u00e9 p\u0159ij\u00edma\u010de na sond\u00e1ch Voyager nebyly ur\u010deny na m\u011b\u0159en\u00ed kr\u00e1tk\u00fdch impulz\u016f, proto u\u00a0zaznamen\u00e1v\u00e1n\u00ed velmi kr\u00e1tk\u00fdch pulz\u016f od blesk\u016f na Saturnu chybovaly,\u201c sd\u011blila d\u00e1le Ivana Kolma\u0161ov\u00e1 z\u00a0\u00fastavu.<\/p>\n<p class=\"c_bz\">Podle n\u00ed je tento objev d\u016fle\u017eit\u00fdm sign\u00e1lem pro v\u011bdce, \u017ee se vyplat\u00ed zkoumat star\u00e9 z\u00e1znamy nov\u00fdmi technologiemi. \u201eZvl\u00e1\u0161\u0165 u\u00a0Saturnu, ke kter\u00e9mu opravdu nen\u00ed jednoduch\u00e9 se dostat. Zkoum\u00e1n\u00ed blesk\u016f t\u00e9to planety nav\u00edc komplikuje i\u00a0skute\u010dnost, \u017ee se tam vyskytuj\u00ed pouze v\u00a0ur\u010dit\u00fdch obdob\u00edch,\u201c doplnila.<\/p>\n<p class=\"c_bz\">Studium historick\u00fdch archiv\u016f m\u00e1 podle v\u00fdzkumn\u00edk\u016f zkr\u00e1tka z\u00e1sadn\u00ed v\u00fdznam pro pochopen\u00ed dlouhodob\u00fdch proces\u016f.<\/p>\n<p class=\"c_bz\">\u201eBlesky na Saturnu jsou st\u00e1le pln\u00e9 z\u00e1had. P\u0159edpokl\u00e1d\u00e1 se, \u017ee jejich aktivitu ovliv\u0148uj\u00ed ro\u010dn\u00ed obdob\u00ed planety, kter\u00e1 trvaj\u00ed t\u00e9m\u011b\u0159 30\u00a0pozemsk\u00fdch let. Data z\u00a0jedin\u00e9 mise na zachycen\u00ed t\u011bchto cykl\u016f nesta\u010d\u00ed. Dokud existuj\u00ed star\u00e9 z\u00e1znamy, stoj\u00ed za to do nich nahl\u00ed\u017eet s\u00a0nov\u00fdmi n\u00e1pady a\u00a0modern\u00edmi technologiemi,\u201c uzav\u0159el Imai.<\/p>\n<p><a data-dot=\"atm-link\" target=\"_self\" href=\"https:\/\/www.novinky.cz\/clanek\/veda-skoly-inzenyri-z-nasa-vypnuli-jeden-z-pristroju-na-sonde-voyager-2-40514516\" class=\"c_N\" rel=\"nofollow noopener\"><img height=\"1023\" width=\"1820\" src=\"https:\/\/www.europesays.com\/cz\/wp-content\/uploads\/2026\/04\/nasa-vesmir-sonda-voyager-2.jpeg\" loading=\"eager\" decoding=\"sync\" class=\"c_t c_r\"\/><\/a><a data-dot=\"atm-link\" target=\"_self\" href=\"https:\/\/www.novinky.cz\/clanek\/veda-skoly-ve-slunecni-soustave-uz-rozeznavame-442-mesicu-40570463\" class=\"c_N\" rel=\"nofollow noopener\"><img height=\"1536\" width=\"2730\" src=\"https:\/\/www.europesays.com\/cz\/wp-content\/uploads\/2026\/04\/slunecni-soustava-mesice-jupiter-saturn.jpeg\" loading=\"eager\" decoding=\"sync\" class=\"c_t c_r\"\/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"R\u00e1diov\u00e9 emise z\u00a0blesk\u016f na Saturnu objevily sondy Voyager u\u017e v\u00a080.\u00a0letech. Jejich interpretace ale dosud z\u016fst\u00e1vala ne\u00fapln\u00e1. P\u0159\u00edslu\u0161n\u00e9 elektrostatick\u00e9&hellip;\n","protected":false},"author":2,"featured_media":51210,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[6067,3863,16173,74,73,78,75,6071,77,76,1540,14095],"class_list":{"0":"post-51209","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-veda-a-technika","8":"tag-akademie-ved-ceske-republiky-avcr","9":"tag-blesk","10":"tag-saturn","11":"tag-science","12":"tag-science-technology","13":"tag-technika","14":"tag-technology","15":"tag-ustav-fyziky-atmosfery-av-cr","16":"tag-veda","17":"tag-veda-a-technika","18":"tag-vesmir","19":"tag-voyager"},"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@cz\/116381083791403330","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/51209","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/comments?post=51209"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/51209\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media\/51210"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media?parent=51209"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/categories?post=51209"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/tags?post=51209"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}