What is a light year

asked Aug 28, 2017 47.9k views

5 votes

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5 votes

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.

Fegemo answered Aug 29, 2017

7.5k points

2 votes

It is a unit of astronomical equivalent to the distance that light travels in one year

Elhef answered Sep 1, 2017

by Elhef

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