significance of light year
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A light year is a method to measure the distance which is very large specially in space .
Actually light year is unit of distance
1 light year is equal to the distance travelled by light in 1 year = 9.46 x 10¹² km
Actually light year is unit of distance
1 light year is equal to the distance travelled by light in 1 year = 9.46 x 10¹² km
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