{"id":388,"date":"2020-11-26T23:00:08","date_gmt":"2020-11-26T22:00:08","guid":{"rendered":"https:\/\/fizika.pmf.ni.ac.rs\/nocistrazivaca2020\/?p=388"},"modified":"2020-11-26T23:00:10","modified_gmt":"2020-11-26T22:00:10","slug":"m20-maglina-trifid","status":"publish","type":"post","link":"https:\/\/fizika.pmf.ni.ac.rs\/nocistrazivaca2020\/m20-maglina-trifid\/","title":{"rendered":"M20 &#8211; maglina Trifid"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p class=\"has-text-align-justify\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 M20, poznata i kao <strong>maglina Trifid<\/strong> nalazi se u sazve\u017edju Strelac, a ime je dobila kada ju je otkrio D\u017eon Her\u0161il, koji je primetio postojanje 3 razli\u010dita segmenta u okviru ove magline razdvojenih tamnim linijama me\u0111uzvezdane pra\u0161ine. 1764. godine, \u0160arl Mesije ju je dodao u svoj katalog nebeskih objekata.<\/p>\n\n\n\n<p class=\"has-text-align-justify\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<strong> Emisione magline<\/strong> su one koje su vidljive zbog toga \u0161to zra\u010denje okolnih zvezda pobu\u0111uje gas u maglini. <strong>Refleksione magline<\/strong> su one koje su vidljive zbog toga \u0161to reflektuju svetlost obli\u017enjih zvezda. M20 istovremeno <strong>pripada i jedno i drugom tipu maglina<\/strong>. Crvene oblasti su emisiona maglina \u010diji sjaj odr\u017eava <a href=\"https:\/\/sr.wikipedia.org\/wiki\/\u0417\u0432\u0435\u0437\u0434\u0430\u043d\u0438_\u0441\u0438\u0441\u0442\u0435\u043c\" class=\"rank-math-link\">zvezdani sistem<\/a> koji se sastoji od tri zvezde sa magnitudama 7,6, 8,7 i 10,7. Ova maglina okru\u017eena je plavom obla\u0161\u0107u, tj. refleksionom maglinom \u010diji sjaj poti\u010de od prelamanja svetlosti sa jedne obli\u017enje zvezde O-klase. Procenjuje se da je udaljenost ove magline od 2.2 do 7.6 hiljada svetlosnih \u00a0godina, a trenutno se koristi vrednost od 5.2 hiljade svetlosnih godina. Pre\u010dnik ove magline je oko 21 svetlosna godina. U centru magline nalazi se i otvoreno zvezdano jato. <\/p>\n\n\n\n<p class=\"has-text-align-justify\">             Maglina Trifid nalazi se severno od <a href=\"https:\/\/fizika.pmf.ni.ac.rs\/nocistrazivaca2020\/m8-maglina-laguna\/\" class=\"rank-math-link\">magline Laguna<\/a>, a ju\u017enije od otvorenog zvezdanog jata, koje se u Mesijeovom katalogu nalazi pod rednim brojem 21, stoga se ova tri objekta vrlo \u010desto nalaze zajedno na astrofotografijama. <\/p>\n\n\n\n<p>             Najpovoljniji period za posmatranje ove magline jesu letnji meseci, a tada je najbolje posmatrati ve\u0107im teleskopima. <\/p>\n\n\n\n<div id=\"section-g168757\" class=\"wp-block-gutentor-e6 section-g168757 gutentor-element gutentor-element-image\"><div class=\"gutentor-element-image-box\"><div class=\"gutentor-image-thumb\"><img decoding=\"async\" class=\"normal-image\" src=\"https:\/\/fizika.pmf.ni.ac.rs\/nocistrazivaca2020\/wp-content\/uploads\/2020\/11\/Messier-20-and-Messier-8-1024x686-1.jpg\"\/><\/div><\/div><\/div>\n\n\n\n<p class=\"has-text-align-center\"><sub>Opis fotografije: Levo na fotografiji se nalazi maglina Trifid, a desno maglina Laguna<\/sub><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 M20, poznata i kao maglina Trifid nalazi se u sazve\u017edju Strelac, a ime je dobila kada ju je otkrio D\u017eon Her\u0161il, koji je primetio postojanje 3 razli\u010dita segmenta u okviru ove magline razdvojenih tamnim linijama me\u0111uzvezdane pra\u0161ine. 1764. godine, \u0160arl Mesije ju je dodao u svoj katalog nebeskih objekata. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Emisione magline su one koje su vidljive zbog toga \u0161to zra\u010denje okolnih zvezda pobu\u0111uje gas u maglini. Refleksione magline su one koje su vidljive zbog toga \u0161to reflektuju svetlost obli\u017enjih zvezda. M20 istovremeno pripada i jedno i drugom tipu&hellip;<\/p>\n","protected":false},"author":2,"featured_media":390,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[5],"tags":[14,50,68,17,10,11,71,69,70],"class_list":["post-388","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-maglina","tag-astronomija","tag-emisiona-maglina","tag-laguna","tag-maglina","tag-mesije","tag-objekat","tag-refleksiona-maglina","tag-strelac","tag-trifid"],"gutentor_comment":0,"jetpack_featured_media_url":"https:\/\/fizika.pmf.ni.ac.rs\/nocistrazivaca2020\/wp-content\/uploads\/2020\/11\/Messier-20-1024x977-1.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/fizika.pmf.ni.ac.rs\/nocistrazivaca2020\/wp-json\/wp\/v2\/posts\/388","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fizika.pmf.ni.ac.rs\/nocistrazivaca2020\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fizika.pmf.ni.ac.rs\/nocistrazivaca2020\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fizika.pmf.ni.ac.rs\/nocistrazivaca2020\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/fizika.pmf.ni.ac.rs\/nocistrazivaca2020\/wp-json\/wp\/v2\/comments?post=388"}],"version-history":[{"count":1,"href":"https:\/\/fizika.pmf.ni.ac.rs\/nocistrazivaca2020\/wp-json\/wp\/v2\/posts\/388\/revisions"}],"predecessor-version":[{"id":391,"href":"https:\/\/fizika.pmf.ni.ac.rs\/nocistrazivaca2020\/wp-json\/wp\/v2\/posts\/388\/revisions\/391"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fizika.pmf.ni.ac.rs\/nocistrazivaca2020\/wp-json\/wp\/v2\/media\/390"}],"wp:attachment":[{"href":"https:\/\/fizika.pmf.ni.ac.rs\/nocistrazivaca2020\/wp-json\/wp\/v2\/media?parent=388"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fizika.pmf.ni.ac.rs\/nocistrazivaca2020\/wp-json\/wp\/v2\/categories?post=388"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fizika.pmf.ni.ac.rs\/nocistrazivaca2020\/wp-json\/wp\/v2\/tags?post=388"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}