horsejumper907 horsejumper907
  • 13-10-2016
  • Chemistry
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what is a light year

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motionless231
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 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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