{"id":12809,"date":"2024-06-24T16:01:44","date_gmt":"2024-06-24T16:01:44","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=12809"},"modified":"2024-06-24T16:01:44","modified_gmt":"2024-06-24T16:01:44","slug":"quadrantids-meteor-shower-2020","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/astronomy\/quadrantids-meteor-shower-2020\/","title":{"rendered":"Kvadrantidy: Kosmick\u00e1 sv\u011bteln\u00e1 show"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Kvadrantidy: Kosmick\u00e1 sv\u011bteln\u00e1 show<\/h2>\n\n<h2 class=\"wp-block-heading\">P\u016fvod a historie<\/h2>\n\n<p>Meteorick\u00fd roj Kvadrantidy je jedine\u010dn\u00e1 nebesk\u00e1 ud\u00e1lost, kter\u00e1 se ka\u017edoro\u010dn\u011b odehr\u00e1v\u00e1 za\u010d\u00e1tkem ledna. Jeho p\u016fvod z\u016fst\u00e1v\u00e1 z\u00e1hadou, ale astronomov\u00e9 se domn\u00edvaj\u00ed, \u017ee m\u016f\u017ee poch\u00e1zet z \u201emrtv\u00e9 komety\u201c zn\u00e1m\u00e9 jako 2003 EH1. Tento objekt, kdysi klasifikovan\u00fd jako asteroid, postupem \u010dasu ztratil sv\u00e9 t\u011bkav\u00e9 ledy, co\u017e potenci\u00e1ln\u011b vedlo ke vzniku Kvadrantid.<\/p>\n\n<h2 class=\"wp-block-heading\">Na\u010dasov\u00e1n\u00ed a viditelnost<\/h2>\n\n<p>Meteorick\u00fd roj Kvadrantidy vrchol\u00ed svou viditelnost\u00ed pozd\u011b ve\u010der 3. ledna a p\u0159ed \u00fasvitem 4. ledna v Severn\u00ed Americe. Toto \u00fazk\u00e9 okno, trvaj\u00edc\u00ed pouh\u00fdch n\u011bkolik hodin, vy\u017eaduje jasnou no\u010dn\u00ed oblohu a odhodl\u00e1n\u00ed jej zachytit. \u00dasil\u00ed je v\u0161ak odm\u011bn\u011bno velkolepou pod\u00edvanou jasn\u00fdch, barevn\u00fdch \u201eohniv\u00fdch koul\u00ed\u201c, kter\u00e9 zast\u00edn\u00ed mnoho dal\u0161\u00edch meteorick\u00fdch roj\u016f.<\/p>\n\n<h2 class=\"wp-block-heading\">Charakteristika a poloha<\/h2>\n\n<p>Kvadrantidy jsou zn\u00e1m\u00e9 sv\u00fdmi v\u00fdrazn\u00fdmi ohniv\u00fdmi koulemi, kter\u00e9 na obloze z\u00e1\u0159\u00ed s neobvykl\u00fdmi odst\u00edny a jasem. Tyto meteory jsou tvo\u0159eny v\u011bt\u0161\u00edmi kusy hmoty ne\u017e v\u011bt\u0161ina ostatn\u00edch, co\u017e p\u0159i sr\u00e1\u017ece se zemskou atmosf\u00e9rou vytv\u00e1\u0159\u00ed velkolep\u00e9 pruhy.<\/p>\n\n<p>Chcete-li Kvadrantidy spat\u0159it, vyhledejte meteory vyza\u0159uj\u00edc\u00ed z m\u00edst mezi souhv\u011bzd\u00edmi Past\u00fd\u0159e a Draka. P\u0159esto\u017ee byly kdysi pojmenov\u00e1ny po souhv\u011bzd\u00ed Quadrans Muralis, kter\u00e9 bylo od t\u00e9 doby odstran\u011bno z ofici\u00e1ln\u00edch seznam\u016f, Kvadrantidy nyn\u00ed nepat\u0159\u00ed nikomu.<\/p>\n\n<h2 class=\"wp-block-heading\">Optim\u00e1ln\u00ed podm\u00ednky pro pozorov\u00e1n\u00ed<\/h2>\n\n<p>Pro nejlep\u0161\u00ed z\u00e1\u017eitek ze sledov\u00e1n\u00ed Kvadrantid vyhledejte m\u00edsto daleko od m\u011bstsk\u00fdch sv\u011btel a s minim\u00e1ln\u00edm sv\u011bteln\u00fdm zne\u010di\u0161t\u011bn\u00edm. Tmav\u00e1 obloha bez m\u011bs\u00edce zvy\u0161uje viditelnost meteor\u016f. Vydejte se ven asi p\u016fl hodiny p\u0159ed vrcholn\u00fdm \u010dasem, aby si va\u0161e o\u010di mohly p\u0159izp\u016fsobit tm\u011b.<\/p>\n\n<p>Podle Mezin\u00e1rodn\u00ed organizace pro meteory (IMO) budou Kvadrantidy kulminovat t\u011bsn\u011b po 3 hodin\u011b rann\u00ed v\u00fdchodn\u00edho standardn\u00edho \u010dasu 4. ledna. P\u0159esto\u017ee to nemus\u00ed b\u00fdt ta nejvhodn\u011bj\u0161\u00ed hodina, nab\u00edz\u00ed jedine\u010dnou p\u0159\u00edle\u017eitost, jak se st\u00e1t sv\u011bdkem t\u00e9to nebesk\u00e9 pod\u00edvan\u00e9 bez dav\u016f nebo p\u0159ek\u00e1\u017eek.<\/p>\n\n<h2 class=\"wp-block-heading\">Tipy pro pozorov\u00e1n\u00ed<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>Teple se oble\u010dte a p\u0159ineste si deky pro pohodl\u00ed.<\/li>\n<li>Lehn\u011bte si na polohovac\u00ed k\u0159eslo nebo deku, abyste maximalizovali sv\u00e9 zorn\u00e9 pole.<\/li>\n<li>Bu\u010fte trp\u011bliv\u00ed a vytrval\u00ed, proto\u017ee Kvadrantidy mohou b\u00fdt nepolapiteln\u00e9.<\/li>\n<li>Vyhn\u011bte se pou\u017e\u00edv\u00e1n\u00ed jasn\u00fdch sv\u011btel nebo za\u0159\u00edzen\u00ed, kter\u00e1 by mohla naru\u0161it va\u0161e no\u010dn\u00ed vid\u011bn\u00ed.<\/li>\n<li>Zva\u017ete pou\u017eit\u00ed dalekohledu nebo teleskopu ke zlep\u0161en\u00ed viditelnosti meteor\u016f.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Dal\u0161\u00ed fakta a zaj\u00edmavosti<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>Kvadrantidy jsou prvn\u00edm velk\u00fdm meteorick\u00fdm rojem 20. let 21. stolet\u00ed.<\/li>\n<li>Jsou pojmenov\u00e1ny po souhv\u011bzd\u00ed Quadrans Muralis, kter\u00e9 bylo v roce 1922 odstran\u011bno ze seznamu ofici\u00e1ln\u00edch souhv\u011bzd\u00ed.<\/li>\n<li>Kvadrantidy jsou pozorov\u00e1ny a dokumentov\u00e1ny od 19. stolet\u00ed.<\/li>\n<li>N\u011bkte\u0159\u00ed astronomov\u00e9 se domn\u00edvaj\u00ed, \u017ee Kvadrantidy mohou souviset s kometou C\/1490 Y1, kterou popsali asij\u0161t\u00ed astronomov\u00e9 p\u0159ed v\u00edce ne\u017e 500 lety.<\/li>\n<li>Kvadrantidy jsou zn\u00e1m\u00e9 sv\u00fdm kr\u00e1tk\u00fdm, ale intenzivn\u00edm vrcholem, kter\u00fd m\u016f\u017ee v obzvl\u00e1\u0161t\u011b tmav\u00fdch lokalit\u00e1ch vyprodukovat p\u0159es 100 meteor\u016f za hodinu.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Kvadrantidy: Kosmick\u00e1 sv\u011bteln\u00e1 show P\u016fvod a historie Meteorick\u00fd roj Kvadrantidy je jedine\u010dn\u00e1 nebesk\u00e1 ud\u00e1lost, kter\u00e1 se ka\u017edoro\u010dn\u011b odehr\u00e1v\u00e1 za\u010d\u00e1tkem ledna. Jeho p\u016fvod z\u016fst\u00e1v\u00e1 z\u00e1hadou, ale astronomov\u00e9 se domn\u00edvaj\u00ed, \u017ee m\u016f\u017ee&hellip;<\/p>\n","protected":false},"author":6,"featured_media":23729,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[437],"tags":[435,17308,17310,4944,17309,3859],"class_list":["post-12809","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-astronomy","tag-astronomy","tag-quadrantids-meteor-shower","tag-meteor-shower-2020","tag-night-sky","tag-fireballs","tag-celestial-event"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/12809","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=12809"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/12809\/revisions"}],"predecessor-version":[{"id":12810,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/12809\/revisions\/12810"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media\/23729"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=12809"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=12809"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=12809"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}