{"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\/ro\/stele-familie-copac\/","title":{"rendered":"S\u0103 vorbim despre vedete care au un arbore genealogic"},"content":{"rendered":"<p>Ce este un arbore genealogic?<\/p>\n<p>\u00cen \u0219tiin\u021b\u0103, arborii genealogici au fost utiliza\u021bi pe scar\u0103 larg\u0103 de biologi, geneticieni, ecologi\u0219ti etc., pentru a prezenta \u00eentr-un mod mai vizual leg\u0103tura parental\u0103 dintre indivizi. Un arbore genealogic se poate baza pe aproape orice caracteristic\u0103 dorit\u0103 de cercet\u0103tor. Cu toate acestea, \u00een prezent, principala caracteristic\u0103 utilizat\u0103 este ADN-ul.<\/p>\n<p>C\u00e2nd ne g\u00e2ndim la ADN, ne g\u00e2ndim la animale, plante, bacterii, ciuperci \u0219i alte grupuri destul de familiare \u00een \u0219tiin\u021b\u0103. Dar ce s-ar \u00eent\u00e2mpla dac\u0103 \u0219i alte lucruri ar putea avea ADN? S\u0103 spunem c\u0103 \u0219i stelele ar putea fi analizate dup\u0103 ADN-ul lor \u0219i chiar s\u0103 ob\u021bin\u0103 un arbore genealogic propriu.<\/p>\n<p>Aceast\u0103 discu\u021bie a \u00eenceput cu doi oameni de \u0219tiin\u021b\u0103: un astronom \u0219i un biolog. Astronomul, <a href=\"https:\/\/academic.oup.com\/mnras\/article\/2966869\/Cosmic\">\u00a0Dr. Paula Jofr\u00e9 de la Universitatea din Cambridge<\/a>a avut ideea uimitoare de a analiza stelele \u00een acela\u0219i mod \u00een care biologii analizeaz\u0103 speciile de animale \u0219i de a construi arborele genealogic al stelelor din Calea Miljy.<\/p>\n<p><iframe loading=\"lazy\" title=\"Astronomii au realizat un arbore genealogic pentru stelele din galaxia noastr\u0103\" 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 \u0219i echipa sa au ales 22 de stele (inclusiv Soarele) \u0219i au studiat substan\u021bele chimice din care sunt alc\u0103tuite, v\u00e2rsta \u0219i mi\u0219carea lor. Dup\u0103 ce toate aceste date au fost colectate, au descoperit trei ramuri principale \u00een care stelele ar putea fi \u00eemp\u0103r\u021bite.<\/p>\n<p>Dar ce leg\u0103tur\u0103 are ADN-ul cu toate acestea?<\/p>\n<p>Stelele care s-au n\u0103scut \u00een acela\u0219i nor de gaz au o structur\u0103 similar\u0103. Aceast\u0103 alc\u0103tuire se nume\u0219te \"ADN stelar\". Deoarece unele stele analizate nu aveau ADN stelar similar cu cele trei ramuri descoperite, este posibil ca unele stele s\u0103 provin\u0103 dintr-o galaxie diferit\u0103. Este posibil ca aceste stele s\u0103 fi fost absorbite de Calea Lactee \u0219i s\u0103 nu aib\u0103 stele surori.<\/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=\"S\u0103 vorbim despre vedete care au un arbore genealogic\" 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>Aceasta este, desigur, doar o b\u0103nuial\u0103. Mai ales dac\u0103 \u021binem cont de faptul c\u0103 Dr. Paula Jofr\u00e9 a analizat doar 22 de stele din cele 100 de miliarde de stele care exist\u0103 \u00een galaxia noastr\u0103. Deci da, este nevoie de cercet\u0103ri suplimentare pentru a \u00eencepe s\u0103 facem presupuneri.<\/p>\n<p>Cu toate acestea, mesajul pe care \u00eel primim din aceast\u0103 cercetare este clar \u0219i r\u0103spicat: nu v\u0103 fie team\u0103 s\u0103 \u00eenv\u0103\u021ba\u021bi din diferite domenii de studiu. Poate c\u0103 solu\u021bia la problemele voastre sau pur \u0219i simplu un mod mai bun de a privi lucrurile poate fi chiar l\u00e2ng\u0103 voi. Sau, \u00een cazul Dr. Paula Jofr\u00e9, chiar \u00een departamentul urm\u0103tor al universit\u0103\u021bii.<\/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=\"S\u0103 vorbim despre vedete care au un arbore genealogic\" 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>Ce este un arbore genealogic? \u00cen \u0219tiin\u021b\u0103, arborii genealogici au fost utiliza\u021bi pe scar\u0103 larg\u0103 de c\u0103tre biologi, geneticieni, ecologi\u0219ti etc., pentru a prezenta \u00eentr-un mod mai vizual leg\u0103tura parental\u0103 dintre indivizi. Un arbore genealogic se poate baza pe aproape orice caracteristic\u0103 dorit\u0103 de cercet\u0103tor. Cu toate acestea, \u00een prezent, principala caracteristic\u0103 utilizat\u0103 este ADN-ul. C\u00e2nd ne g\u00e2ndim [...]<\/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\/ro\/author\/fabricio\/"}]}},"_links":{"self":[{"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/posts\/6705"}],"collection":[{"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/comments?post=6705"}],"version-history":[{"count":10,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/posts\/6705\/revisions"}],"predecessor-version":[{"id":6716,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/posts\/6705\/revisions\/6716"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/media\/6714"}],"wp:attachment":[{"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/media?parent=6705"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/categories?post=6705"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/tags?post=6705"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}