{"id":6121,"date":"2019-04-10T00:00:00","date_gmt":"2019-04-09T23:00:00","guid":{"rendered":"https:\/\/instrid.sk\/uncategorized\/fotka-cierna-diera\/"},"modified":"2019-04-10T00:00:00","modified_gmt":"2019-04-09T23:00:00","slug":"fotka-cierna-diera","status":"publish","type":"post","link":"https:\/\/instrid.sk\/en\/archiv\/fotka-cierna-diera\/","title":{"rendered":"Historick\u00fd okamih: Astron\u00f3movia zhotovili v\u00f4bec prv\u00fa fotografiu \u010diernej diery"},"content":{"rendered":"<p>Medzin\u00e1rodn\u00fd t\u00edm astron\u00f3mov dnes zverejnil v\u00f4bec prv\u00fa sn\u00edmku \u010diernej diery, ktor\u00fa sa podarilo zaobstara\u0165 v\u010faka projektu <strong>Event Horizon Telescope<\/strong> (Teleskop horizontu udalost\u00ed, EHT). O tomto \u00faspechu informovali vedci na tla\u010dov\u00fdch konferenci\u00e1ch usporiadan\u00fdch naraz na \u0161iestich miestach vo svete &#8211; v Bruseli, Washingtone, Santiagu, \u0160anghaji, Tchaj-peji a v Tokiu.<\/p>\n<p>&nbsp;<\/p>\n<p>Zverejnen\u00e1 fotografia zachyt\u00e1va obriu \u010diernu dieru v centre galaxie <strong>Messier 87<\/strong>. Je na nej vidite\u013en\u00fd jasn\u00fd \u201eohniv\u00fd kruh\u201c vytvoren\u00fd svetlom zahnut\u00fdm intenz\u00edvnou gravit\u00e1ciou okolo \u010diernej diery, ktor\u00e1 je 6,5 miliardkr\u00e1t mas\u00edvnej\u0161ia ako na\u0161e Slnko, ozn\u00e1mili vedci.<\/p>\n<p>&nbsp;<\/p>\n<p>Teleskop horizontu udalost\u00ed je glob\u00e1lny projekt medzin\u00e1rodnej spolupr\u00e1ce, ktor\u00fd sa za\u010dal e\u0161te v roku 2012. <strong>Prepojen\u00edm deviatich r\u00e1dioteleskopov<\/strong> na nieko\u013ek\u00fdch kontinentoch vznikol <strong>virtu\u00e1lny teleskop<\/strong>, ktor\u00fd umo\u017enil sledova\u0165 okolie \u010diernej diery, ktor\u00e1 je vzdialen\u00e1 pribli\u017ene <strong>54 mili\u00f3nov sveteln\u00fdch rokov od Zeme<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n<p>Pod\u013ea vyjadrenia Eur\u00f3pskej komisie sa <strong>hranice modernej vedy posunuli op\u00e4\u0165 o kus \u010falej<\/strong>:\u00a0\u201eTento v\u00fdznamn\u00fd vedeck\u00fd \u00faspech predstavuje revolu\u010dn\u00fa zmenu, pokia\u013e ide o na\u0161e ch\u00e1panie \u010diernych dier, potvrdzuje predpovede Alberta Einsteina v jeho v\u0161eobecnej te\u00f3rii relativity a nazna\u010duje bud\u00face smerovanie v\u00fdskumu vesm\u00edru,\u201c uviedla komisia v tla\u010dovej spr\u00e1ve.<\/p>\n<p>&nbsp;<\/p>\n<p>\u201eJe to \u00fa\u017easn\u00fd \u00faspech t\u00edmu EHT,\u201c povedal v s\u00favislosti s dne\u0161nou udalos\u0165ou <strong>Paul Hertz<\/strong>, riadite\u013e div\u00edzie astrofyziky v s\u00eddle NASA vo Washingtone. \u201ePred rokmi sme si mysleli, \u017ee budeme musie\u0165 postavi\u0165 ve\u013ek\u00fd vesm\u00edrny \u010falekoh\u013ead, aby sme mohli vidie\u0165 \u010diernu dieru. T\u00fdm, \u017ee r\u00e1diov\u00e9 teleskopy po celom svete bud\u00fa pracova\u0165 v zhode <strong>ako jeden n\u00e1stroj<\/strong>, toho t\u00edm EHT dosiahol o cel\u00e9 desa\u0165ro\u010dia sk\u00f4r,\u201c dodal.<\/p>\n<p>According to <strong>Michala Bursa<\/strong> z Astronomick\u00e9ho \u00fastavu AV \u010cR v\u00fdznam zverejnenie sn\u00edmky spo\u010d\u00edva v dvoch veciach &#8211; je to <strong>prv\u00e1 skuto\u010dn\u00e1 fotografia \u010diernej diery<\/strong> a z\u00e1rove\u0148 prv\u00fd v\u00fdsledok pozorovania s\u00fastavou r\u00e1dioteleskopov.<\/p>\n<p>\u201eNa Zemi u\u017e teraz nem\u00f4\u017eeme zostroji\u0165 ni\u010d, \u010do by malo lep\u0161ie uhlov\u00e9 rozl\u00ed\u0161enie. <strong>Toto je limit<\/strong>, preto\u017ee zemegu\u013eu nenaf\u00fakneme. Keby sme chceli lep\u0161\u00ed \u010falekoh\u013ead, tak ho mus\u00edme vypravi\u0165 do vesm\u00edru,\u201c povedal Bursa k s\u00fastave r\u00e1dioteleskopov projektu EHT.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>U\u017e len postup, ktor\u00fdm fotku z\u00edskali, je fascinuj\u00faci a revolu\u010dn\u00fd. T\u00e1to fotka zmen\u00ed v\u0161etko.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[51],"tags":[],"class_list":["post-6121","post","type-post","status-publish","format-standard","hentry","category-archiv","two-columns"],"_links":{"self":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/posts\/6121","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/comments?post=6121"}],"version-history":[{"count":0,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/posts\/6121\/revisions"}],"wp:attachment":[{"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/media?parent=6121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/categories?post=6121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/instrid.sk\/en\/wp-json\/wp\/v2\/tags?post=6121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}