{"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\/pt\/estrelas-familia-arvore\/","title":{"rendered":"Vamos falar sobre as estrelas terem uma \u00e1rvore geneal\u00f3gica"},"content":{"rendered":"<p>O que \u00e9 uma \u00e1rvore geneal\u00f3gica?<\/p>\n<p>Na ci\u00eancia, as \u00e1rvores geneal\u00f3gicas t\u00eam sido amplamente utilizadas por bi\u00f3logos, geneticistas, ecologistas, etc., para apresentar de forma mais visual o v\u00ednculo parental entre os indiv\u00edduos. Uma \u00e1rvore geneal\u00f3gica pode ser baseada em praticamente qualquer caracter\u00edstica que o cientista deseje. Entretanto, hoje em dia, a principal caracter\u00edstica utilizada \u00e9 o DNA.<\/p>\n<p>Quando pensamos em DNA, pensamos em animais, plantas, bact\u00e9rias, fungos e outros grupos bastante familiares na ci\u00eancia. Mas e se outras coisas tamb\u00e9m pudessem ter ADN? Digamos que as estrelas tamb\u00e9m poderiam ser analisadas por seu DNA e at\u00e9 mesmo obter uma \u00e1rvore geneal\u00f3gica pr\u00f3pria.<\/p>\n<p>Esta discuss\u00e3o foi iniciada com dois cientistas: um astr\u00f4nomo e um bi\u00f3logo. O astr\u00f4nomo, <a href=\"https:\/\/academic.oup.com\/mnras\/article\/2966869\/Cosmic\">\u00a0Dra. Paula Jofr\u00e9, da Universidade de Cambridge<\/a>A id\u00e9ia surpreendente de analisar as estrelas da mesma forma que os bi\u00f3logos fazem com as esp\u00e9cies animais e construir a \u00e1rvore geneal\u00f3gica das estrelas da Via Miljy.<\/p>\n<p><iframe loading=\"lazy\" title=\"Os astr\u00f4nomos fizeram uma \u00e1rvore geneal\u00f3gica para as estrelas de nossa gal\u00e1xia\" 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>A Dra. Paula Jofr\u00e9 e sua equipe escolheram 22 estrelas (incluindo o Sol) e estudaram os produtos qu\u00edmicos de que s\u00e3o feitos, sua idade e seu movimento. Uma vez que tudo isso foi coletado, eles descobriram tr\u00eas ramos principais nos quais as estrelas podiam ser divididas.<\/p>\n<p>Mas o que o DNA tem a ver com tudo isso?<\/p>\n<p>Estrelas que nasceram na mesma nuvem de g\u00e1s, t\u00eam maquiagem semelhante. Esta maquiagem \u00e9 chamada de \"DNA estelar\". Como algumas estrelas analisadas n\u00e3o tinham um DNA estelar semelhante aos tr\u00eas ramos descobertos, \u00e9 poss\u00edvel que algumas estrelas tenham vindo de uma gal\u00e1xia diferente. Estas estrelas podem ter sido absorvidas pela Via L\u00e1ctea e n\u00e3o t\u00eam estrelas-irm\u00e3s.<\/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=\"Vamos falar sobre as estrelas terem uma \u00e1rvore geneal\u00f3gica\" 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>Isto \u00e9, \u00e9 claro, apenas um palpite. Especialmente se levarmos em conta que a Dra. Paula Jofr\u00e9 analisou apenas 22 estrelas de 100 bilh\u00f5es de estrelas que existem em nossa gal\u00e1xia. Portanto, sim, mais pesquisa \u00e9 para come\u00e7ar a fazer suposi\u00e7\u00f5es.<\/p>\n<p>No entanto, a mensagem que recebemos desta pesquisa \u00e9 clara e forte: n\u00e3o tenha medo de aprender de diferentes campos de estudo. Talvez a solu\u00e7\u00e3o para seus problemas ou simplesmente uma maneira melhor de ver as coisas possa estar bem ao seu lado. Ou no caso da Dra. Paula Jofr\u00e9, bem no pr\u00f3ximo departamento da Universidade.<\/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=\"Vamos falar sobre as estrelas terem uma \u00e1rvore geneal\u00f3gica\" 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>O que \u00e9 uma \u00e1rvore geneal\u00f3gica? Na ci\u00eancia, as \u00e1rvores geneal\u00f3gicas t\u00eam sido amplamente utilizadas por bi\u00f3logos, geneticistas, ecologistas, etc., para apresentar de forma mais visual o v\u00ednculo parental entre os indiv\u00edduos. Uma \u00e1rvore geneal\u00f3gica pode ser baseada em praticamente qualquer caracter\u00edstica que o cientista deseje. Entretanto, hoje em dia, a principal caracter\u00edstica utilizada \u00e9 o DNA. Quando pensamos [...]<\/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. Connect with him on LinkedIn - Fabricio Pamplona.","sameAs":["http:\/\/mindthegraph.com","https:\/\/www.linkedin.com\/in\/fabriciopamplona"],"url":"https:\/\/mindthegraph.com\/blog\/pt\/author\/fabricio\/"}]}},"_links":{"self":[{"href":"https:\/\/mindthegraph.com\/blog\/pt\/wp-json\/wp\/v2\/posts\/6705"}],"collection":[{"href":"https:\/\/mindthegraph.com\/blog\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mindthegraph.com\/blog\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/pt\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/pt\/wp-json\/wp\/v2\/comments?post=6705"}],"version-history":[{"count":10,"href":"https:\/\/mindthegraph.com\/blog\/pt\/wp-json\/wp\/v2\/posts\/6705\/revisions"}],"predecessor-version":[{"id":6716,"href":"https:\/\/mindthegraph.com\/blog\/pt\/wp-json\/wp\/v2\/posts\/6705\/revisions\/6716"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/pt\/wp-json\/wp\/v2\/media\/6714"}],"wp:attachment":[{"href":"https:\/\/mindthegraph.com\/blog\/pt\/wp-json\/wp\/v2\/media?parent=6705"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/pt\/wp-json\/wp\/v2\/categories?post=6705"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/pt\/wp-json\/wp\/v2\/tags?post=6705"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}