horsejumper907
horsejumper907
13-10-2016
Chemistry
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what is a light year
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motionless231
motionless231
13-10-2016
It is a unit of astronomical equivalent to the distance that light travels in one year
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Bookdragon
Bookdragon
13-10-2016
A light year is literally the distance it takes light to travel in one year. In miles, that would be 5.879 x 10 to the 12th power.
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