Question

Define light year??????​

Answer 1

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A unit of astronomical distance equivalent to the distance that light travels in one year, which is 9.4607 × 1012 km (nearly 6 million million miles).

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Answer 2

Answer:

A light year is unit of distance. it is a distance in which light can travel in year .

Explanation:

light moves with a velocity of about 300,000 Km in each second .So in one year , it can travel about 10 trillion km

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