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دانستنی های پر هیجان نجومی - گذشته دیده شد آن هم با چشم انسان!!!!
از این به بعد در اینجا جهان را هیجان آور تر ببینید

گذشته دیده شد آن هم با چشم انسان!!!!

نویسنده :امیر محسن
تاریخ:سه شنبه 4 بهمن 1390-03:43 ب.ظ

فاصله ی نزدیک ترین ستاره تا ستاره ی خورشید حدود 4 سال نوری است یعنی نور حدود 4 سال طول میکشد تا از این ستاره به ما برسد!!
به عبارت دیگر تصویر 4 سال پیش را مشاهده ی این ستاره می بینین



داغ کن - کلوب دات کام
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