{"id":21295,"date":"2025-11-18T09:16:00","date_gmt":"2025-11-18T08:16:00","guid":{"rendered":"https:\/\/prahaskolska.200.solutions\/?p=21295"},"modified":"2025-11-13T20:59:29","modified_gmt":"2025-11-13T19:59:29","slug":"odbornici-z-univerzity-karlovy-zkoumali-rodici-se-planetu","status":"publish","type":"post","link":"https:\/\/prahaskolska.200.solutions\/?p=21295","title":{"rendered":"Odborn\u00edci z Univerzity Karlovy zkoumali rod\u00edc\u00ed se planetu"},"content":{"rendered":"\n<p><strong>Na vzd\u00e1len\u00e9 obloze, asi 370 sv\u011bteln\u00fdch let od Zem\u011b, se pr\u00e1v\u011b rod\u00ed nov\u00e1 planeta. Astronomov\u00e9 ji ozna\u010duj\u00ed jako PDS 70c a d\u00edky nejmodern\u011bj\u0161\u00edm teleskop\u016fm mohou sledovat, jak z oblak\u016f prachu a plynu vznik\u00e1 nov\u00fd sv\u011bt. Na v\u00fdzkumu, kter\u00fd popisuje jej\u00ed v\u00fdvoj a neobvykl\u00e9 r\u00e1diov\u00e9 z\u00e1\u0159en\u00ed, se pod\u00edleli i v\u011bdci z Univerzity Karlovy.<\/strong><\/p>\n\n\n\n<p>Studii zve\u0159ejnil presti\u017en\u00ed \u010dasopis Astronomy &amp; Astrophysics a za\u0159adil ji mezi nejv\u00fdznamn\u011bj\u0161\u00ed pr\u00e1ce dan\u00e9ho \u010d\u00edsla. T\u00fdm veden\u00fd dr. Ond\u0159ejem Chrenkem z Astronomick\u00e9ho \u00fastavu UK zkoumal pomoc\u00ed observato\u0159e ALMA v Chile, kde zachytili sign\u00e1l z okol\u00ed mlad\u00e9 planety. C\u00edlem bylo zjistit, odkud p\u0159esn\u011b r\u00e1diov\u00e9 z\u00e1\u0159en\u00ed poch\u00e1z\u00ed a co n\u00e1m m\u016f\u017ee prozradit o tom, jak planety rostou.<\/p>\n\n\n\n<p>Uk\u00e1zalo se, \u017ee z\u00e1\u0159en\u00ed nemus\u00ed poch\u00e1zet z prachu, jak se d\u0159\u00edve p\u0159edpokl\u00e1dalo, ale z plazmatu. Jedn\u00e1 se o vrstvy ionizovan\u00e9ho plynu, kter\u00e1 se vytv\u00e1\u0159\u00ed na povrchu disku obklopuj\u00edc\u00edho planetu. Tento objev m\u016f\u017ee zm\u011bnit dosavadn\u00ed pohled na to, jak mlad\u00e9 planety p\u0159itahuj\u00ed hmotu a jak vznikaj\u00ed jejich m\u011bs\u00edce.<\/p>\n\n\n\n<p><strong>\u201eNa\u0161e v\u00fdsledky ukazuj\u00ed, \u017ee i mal\u00e9 zm\u011bny v prost\u0159ed\u00ed kolem planety mohou z\u00e1sadn\u011b ovlivnit jej\u00ed r\u016fst,\u201c <\/strong>vysv\u011btluje dr. Ond\u0159ej Chrenko. V\u011bdci sledovali planetu v r\u016fzn\u00fdch frekven\u010dn\u00edch p\u00e1smech a zjistili, \u017ee na vy\u0161\u0161\u00edch frekvenc\u00edch sign\u00e1l miz\u00ed. To nazna\u010duje, \u017ee kolem planety je m\u00e9n\u011b prachu, ne\u017e se dosud p\u0159edpokl\u00e1dalo.\u00a0<\/p>\n\n\n\n<p><sup>Zdroj: MFF UK<\/sup> <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Na vzd\u00e1len\u00e9 obloze, asi 370 sv\u011bteln\u00fdch let od Zem\u011b, se pr\u00e1v\u011b rod\u00ed nov\u00e1 planeta. Astronomov\u00e9 ji ozna\u010duj\u00ed jako PDS 70c a d\u00edky nejmodern\u011bj\u0161\u00edm teleskop\u016fm mohou sledovat, jak z oblak\u016f prachu a plynu vznik\u00e1 nov\u00fd sv\u011bt. Na v\u00fdzkumu, kter\u00fd popisuje jej\u00ed v\u00fdvoj a neobvykl\u00e9 r\u00e1diov\u00e9 z\u00e1\u0159en\u00ed, se pod\u00edleli i v\u011bdci z Univerzity Karlovy. Studii zve\u0159ejnil presti\u017en\u00ed [&hellip;]<\/p>\n","protected":false},"author":41,"featured_media":21296,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_breakdance_hide_in_design_set":false,"_breakdance_tags":"","footnotes":""},"categories":[407,38,439],"tags":[],"class_list":["post-21295","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-univerzita-karlova","category-vysoke-skoly","category-vyzkum"],"acf":[],"_links":{"self":[{"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=\/wp\/v2\/posts\/21295","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=\/wp\/v2\/users\/41"}],"replies":[{"embeddable":true,"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=21295"}],"version-history":[{"count":2,"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=\/wp\/v2\/posts\/21295\/revisions"}],"predecessor-version":[{"id":21319,"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=\/wp\/v2\/posts\/21295\/revisions\/21319"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=\/wp\/v2\/media\/21296"}],"wp:attachment":[{"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=21295"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21295"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prahaskolska.200.solutions\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21295"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}