{"id":14597,"date":"2010-10-04T05:56:21","date_gmt":"2010-10-04T02:56:21","guid":{"rendered":"http:\/\/www.lovendal.net\/wp52\/?p=14597"},"modified":"2010-10-03T20:14:15","modified_gmt":"2010-10-03T17:14:15","slug":"s-ar-putea-fotografia-vreodata-trecutul","status":"publish","type":"post","link":"https:\/\/www.lovendal.ro\/wp52\/s-ar-putea-fotografia-vreodata-trecutul\/","title":{"rendered":"S-ar putea fotografia vreodat\u0103 trecutul?"},"content":{"rendered":"

\"Cosmos1111\"<\/a>S\u0103 lu\u0103m, de exemplu, un episod dramatic marcant din istoria noastr\u0103 contemporan\u0103, cum ar fi explozia bombei atomice de la Hiroshima. Va fi posibil de v\u0103zut, \u00een urm\u0103toarele miliarde de ani, fotonii emi\u015fi la 6 august 1945? Din nefericire, nu. \u00cen fapt, imaginea exploziei a p\u0103r\u0103sit deja Terra \u015fi este departe de noi, la circa 50 de ani-lumin\u0103. Acesta continu\u0103 chiar, sub form\u0103 de fotoni, s\u0103 se \u00eendep\u0103rteze cu o vitez\u0103 aproximativ\u0103 de 300.000 km\/s.<\/p>\n

Un obstacol de m\u0103rime se opune atunci la ceea ce \u00eentr-o zi putem revedea ce s-a petrecut cu Japonia \u00een urm\u0103 cu 50 de ani: viteza finit\u0103 a luminii. Pentru a ob\u0163ine aceast\u0103 imagine, ar trebui s\u0103 fie recupera\u0163i fotonii \u015fi deci s\u0103 dep\u0103\u015fim viteza luminii. Doar observatoare situate destul de departe \u00een viitorul nostru ar avea \u015fansa de a capta acest eveniment. Cu excep\u0163ia unei c\u0103l\u0103torii \u00een timp, nu ne putem fotografia pe noi \u00een\u015fine.<\/p>\n","protected":false},"excerpt":{"rendered":"

S\u0103 lu\u0103m, de exemplu, un episod dramatic marcant din istoria noastr\u0103 contemporan\u0103, cum ar fi explozia bombei atomice de la Hiroshima. Va fi posibil de v\u0103zut, \u00een urm\u0103toarele miliarde de ani, fotonii emi\u015fi la 6 august 1945? Din nefericire, nu. … <\/p>\n

Cititi mai multe<\/a><\/p>\n","protected":false},"author":1,"featured_media":14598,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[106],"tags":[102,2356,15,2465,2057,128,9803,1084,2916],"class_list":["post-14597","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stiinta","tag-astronomie","tag-bomba","tag-fotografie","tag-foton","tag-hiroshima","tag-japonia","tag-stiinta","tag-trecut","tag-viteza-luminii"],"yoast_head":"\nS-ar putea fotografia vreodat\u0103 trecutul? - Secretele lui Lovendal<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.lovendal.ro\/wp52\/s-ar-putea-fotografia-vreodata-trecutul\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"S-ar putea fotografia vreodat\u0103 trecutul?\" \/>\n<meta property=\"og:description\" content=\"S\u0103 lu\u0103m, de exemplu, un episod dramatic marcant din istoria noastr\u0103 contemporan\u0103, cum ar fi explozia bombei atomice de la Hiroshima. 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