Define light- year and explain how and why light- years are used to measure distances in the universe

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asked Nov 23, 2018 95.5k views

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ShpielMeister · Answer 1 · 2018-11-27T19:48:36+0000

A unit of astronomical distance equivalent to the distance that light travels in one year .....and because it is the fastest way to measure in a very long distances for example earth to other far away planets

Define light- year and explain how and why light- years are used to measure distances in the universe

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