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Title: How far does a beam of light travel in one full year? Post by: ppk on Feb 18, 2012 How far does a beam of light travel in one full year?
A) 80 × 1012 m B) 95 × 1014 m C) 30 × 108 m D) 20 × 1015 m E) 36 × 1016 m Title: Re: How far does a beam of light travel in one full year? Post by: mikael on Feb 21, 2012 B
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