{"id":11103,"date":"2010-02-08T11:41:04","date_gmt":"2010-02-08T09:41:04","guid":{"rendered":"http:\/\/www.lovendal.net\/wp52\/?p=11103"},"modified":"2010-02-08T11:42:56","modified_gmt":"2010-02-08T09:42:56","slug":"stiti-cate-stele-sunt-pe-cer","status":"publish","type":"post","link":"https:\/\/www.lovendal.ro\/wp52\/stiti-cate-stele-sunt-pe-cer\/","title":{"rendered":"\u015eti\u0163i c\u00e2te stele sunt pe cer?"},"content":{"rendered":"

\"stele90\"<\/a>Dac\u0103 prindem o noapte f\u0103r\u0103 pic de nori pe cer, se pot vedea pe bolta cereasc\u0103 o mul\u0163ime de stele. Dar c\u00e2te stele sunt de fapt pe cer? O \u00eentrebare c\u0103reia greu i-a\u0163i putea g\u0103si vreun r\u0103spuns.<\/p>\n

De obicei, cu ochiul liber, un om poate percepe p\u00e2n\u0103 la 3.000 de stele. Dar, e evident faptul c\u0103 nu \u015fi at\u00e2tea sunt \u00een tot Universul. Ca \u015fi num\u0103rul firicelelor de nisip de pe o plaj\u0103, la fel \u015fi num\u0103rul total de stele r\u0103m\u00e2ne o mare necunoscut\u0103. William Keel, un astronaut american, aprecia c\u0103 num\u0103rul stelelor doar din galaxia noastr\u0103 (Calea Lactee) este egal cu „num\u0103rul de hamburgeri v\u00e2ndu\u0163i de McDonald’s de la \u00eenceputuri p\u00e2n\u0103 \u00een prezent”.<\/em> L\u0103s\u00e2nd gluma deoparte, el apreciaz\u0103 c\u0103 totu\u015fi, f\u0103c\u00e2nd o aproximare grosier\u0103, doar \u00een Calea Lactee ar fi 400 de miliarde de stele.<\/p>\n

Al\u0163ii s-au \u00eencumetat s\u0103 fac\u0103 o aproximare a num\u0103rului total de stele din \u00eentregul nostru Univers. Acesta ar fi de 30.000.000.000.000.000 de stele!\u00a0 Incredibil c\u00e2t de multe stele exist\u0103 \u00een lumea aceast\u0103!<\/p>\n","protected":false},"excerpt":{"rendered":"

Dac\u0103 prindem o noapte f\u0103r\u0103 pic de nori pe cer, se pot vedea pe bolta cereasc\u0103 o mul\u0163ime de stele. Dar c\u00e2te stele sunt de fapt pe cer? O \u00eentrebare c\u0103reia greu i-a\u0163i putea g\u0103si vreun r\u0103spuns. De obicei, cu … <\/p>\n

Cititi mai multe<\/a><\/p>\n","protected":false},"author":1,"featured_media":11104,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[106],"tags":[102,1405,433,733,9803],"class_list":["post-11103","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stiinta","tag-astronomie","tag-calea-lactee","tag-galaxie","tag-stea","tag-stiinta","resize-featured-image"],"yoast_head":"\n\u015eti\u0163i c\u00e2te stele sunt pe cer? - 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\/stiti-cate-stele-sunt-pe-cer\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u015eti\u0163i c\u00e2te stele sunt pe cer?\" \/>\n<meta property=\"og:description\" content=\"Dac\u0103 prindem o noapte f\u0103r\u0103 pic de nori pe cer, se pot vedea pe bolta cereasc\u0103 o mul\u0163ime de stele. 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