{"id":6705,"date":"2017-03-09T18:21:39","date_gmt":"2017-03-09T21:21:39","guid":{"rendered":"https:\/\/blog.mindthegraph.com\/?p=6705"},"modified":"2022-10-18T08:10:40","modified_gmt":"2022-10-18T11:10:40","slug":"stars-family-tree","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/cs\/hvezdy-rodina-strom\/","title":{"rendered":"Promluvme si o hv\u011bzd\u00e1ch, kter\u00e9 maj\u00ed rodokmen."},"content":{"rendered":"<p>Co je to rodokmen?<\/p>\n<p>Ve v\u011bd\u011b jsou rodokmeny hojn\u011b vyu\u017e\u00edv\u00e1ny biology, genetiky, ekology atd. k n\u00e1zorn\u011bj\u0161\u00edmu zn\u00e1zorn\u011bn\u00ed rodi\u010dovsk\u00fdch vazeb mezi jedinci. Rodokmen m\u016f\u017ee b\u00fdt zalo\u017een v podstat\u011b na jak\u00e9koliv charakteristice, kterou v\u011bdec chce. V sou\u010dasn\u00e9 dob\u011b se v\u0161ak pou\u017e\u00edv\u00e1 p\u0159edev\u0161\u00edm DNA.<\/p>\n<p>Kdy\u017e p\u0159em\u00fd\u0161l\u00edme o DNA, vybav\u00ed se n\u00e1m \u017eivo\u010dichov\u00e9, rostliny, bakterie, houby a dal\u0161\u00ed skupiny, kter\u00e9 jsou ve v\u011bd\u011b pom\u011brn\u011b zn\u00e1m\u00e9. Ale co kdy\u017e DNA mohou m\u00edt i jin\u00e9 v\u011bci? \u0158ekn\u011bme, \u017ee i hv\u011bzdy by mohly b\u00fdt analyzov\u00e1ny podle sv\u00e9 DNA a dokonce by mohly z\u00edskat sv\u016fj vlastn\u00ed rodokmen.<\/p>\n<p>Tuto diskusi zah\u00e1jili dva v\u011bdci: astronom a biolog. Astronom, <a href=\"https:\/\/academic.oup.com\/mnras\/article\/2966869\/Cosmic\">\u00a0Dr. Paula Jofr\u00e9 z University of Cambridge<\/a>, dostal \u00fa\u017easn\u00fd n\u00e1pad analyzovat hv\u011bzdy stejn\u011b jako biologov\u00e9 \u017eivo\u010di\u0161n\u00e9 druhy a sestavit rodokmen hv\u011bzd Miljy Way.<\/p>\n<p><iframe loading=\"lazy\" title=\"Astronomov\u00e9 sestavili rodokmen hv\u011bzd v na\u0161\u00ed galaxii\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/HZq1dLuhjMg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>Dr. Paula Jofr\u00e9 a jej\u00ed t\u00fdm vybrali 22 hv\u011bzd (v\u010detn\u011b Slunce) a zkoumali chemick\u00e9 l\u00e1tky, ze kter\u00fdch jsou slo\u017eeny, jejich st\u00e1\u0159\u00ed a pohyb. Jakmile v\u0161e shrom\u00e1\u017edili, objevili t\u0159i hlavn\u00ed v\u011btve, do kter\u00fdch lze hv\u011bzdy rozd\u011blit.<\/p>\n<p>Jak s t\u00edm v\u0161\u00edm souvis\u00ed DNA?<\/p>\n<p>Hv\u011bzdy, kter\u00e9 se zrodily ve stejn\u00e9m plynn\u00e9m mra\u010dnu, maj\u00ed podobn\u00e9 slo\u017een\u00ed. Toto slo\u017een\u00ed se naz\u00fdv\u00e1 \"hv\u011bzdn\u00e1 DNA\". Proto\u017ee n\u011bkter\u00e9 analyzovan\u00e9 hv\u011bzdy nem\u011bly hv\u011bzdnou DNA podobnou t\u0159em objeven\u00fdm v\u011btv\u00edm, je mo\u017en\u00e9, \u017ee n\u011bkter\u00e9 hv\u011bzdy poch\u00e1zely z jin\u00e9 galaxie. Tyto hv\u011bzdy mohly b\u00fdt pohlceny Ml\u00e9\u010dnou dr\u00e1hou a nemaj\u00ed sourozeneck\u00e9 hv\u011bzdy.<\/p>\n<p><a href=\"https:\/\/academic.oup.com\/mnras\/article\/2966869\/Cosmic\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-6714 size-full\" src=\"https:\/\/blog.mindthegraph.com\/wp-content\/uploads\/2017\/03\/preview-1424544235.jpg\" alt=\"Promluvme si o hv\u011bzd\u00e1ch, kter\u00e9 maj\u00ed rodokmen.\" width=\"719\" height=\"464\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2017\/03\/preview-1424544235.jpg 719w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2017\/03\/preview-1424544235-300x194.jpg 300w\" sizes=\"(max-width: 719px) 100vw, 719px\" \/><\/a><\/p>\n<p>To je samoz\u0159ejm\u011b jen domn\u011bnka. Zvl\u00e1\u0161t\u011b kdy\u017e vezmeme v \u00favahu, \u017ee Dr. Paula Jofr\u00e9 analyzovala pouze 22 hv\u011bzd ze 100 miliard hv\u011bzd, kter\u00e9 existuj\u00ed v na\u0161\u00ed galaxii. Tak\u017ee ano, dal\u0161\u00ed v\u00fdzkum je na m\u00edst\u011b, abychom mohli za\u010d\u00edt \u010dinit domn\u011bnky.<\/p>\n<p>Poselstv\u00ed, kter\u00e9 z tohoto v\u00fdzkumu vypl\u00fdv\u00e1, je v\u0161ak jasn\u00e9 a z\u0159eteln\u00e9: nebojte se u\u010dit z r\u016fzn\u00fdch studijn\u00edch obor\u016f. Mo\u017en\u00e1, \u017ee \u0159e\u0161en\u00ed va\u0161ich probl\u00e9m\u016f nebo prost\u011b lep\u0161\u00ed zp\u016fsob, jak se na v\u011bci d\u00edvat, m\u016f\u017ee b\u00fdt hned vedle v\u00e1s. Nebo v p\u0159\u00edpad\u011b Dr. Pauly Jofr\u00e9 p\u0159\u00edmo na vedlej\u0161\u00ed univerzitn\u00ed kated\u0159e.<\/p>\n<p><a href=\"https:\/\/blog.mindthegraph.com\/scientific-data\/\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-5826\" src=\"https:\/\/blog.mindthegraph.com\/wp-content\/uploads\/2016\/06\/i-love-science.png\" alt=\"Promluvme si o hv\u011bzd\u00e1ch, kter\u00e9 maj\u00ed rodokmen.\" width=\"327\" height=\"131\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2016\/06\/i-love-science.png 1500w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2016\/06\/i-love-science-300x120.png 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2016\/06\/i-love-science-1024x410.png 1024w\" sizes=\"(max-width: 327px) 100vw, 327px\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Co je to rodokmen? Rodokmeny jsou ve v\u011bd\u011b hojn\u011b vyu\u017e\u00edv\u00e1ny biology, genetiky, ekology atd. k n\u00e1zorn\u011bj\u0161\u00edmu zn\u00e1zorn\u011bn\u00ed rodi\u010dovsk\u00fdch vazeb mezi jedinci. Rodokmen m\u016f\u017ee b\u00fdt zalo\u017een v podstat\u011b na jak\u00e9koliv charakteristice, kterou v\u011bdec chce. V sou\u010dasn\u00e9 dob\u011b se v\u0161ak pou\u017e\u00edv\u00e1 p\u0159edev\u0161\u00edm DNA. Kdy\u017e se zamysl\u00edme nad t\u00edm, co je to DNA, [...]<\/p>","protected":false},"author":4,"featured_media":6714,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"image","meta":[],"categories":[959,28],"tags":[554],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Let&#039;s talk about stars having a family tree - Mind the Graph Blog<\/title>\n<meta name=\"description\" content=\"What if other things could have DNA too? 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He has a Ph.D. and solid scientific background in Psychopharmacology and experience as a Guest Researcher at the Max Planck Institute of Psychiatry (Germany) and Researcher in D'Or Institute for Research and Education (IDOR, Brazil). Fabricio holds over 2500 citations in Google Scholar. He has 10 years of experience in small innovative businesses, with relevant experience in product design and innovation management. 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