Question

what is light year?​

Answer 1

Answer:

the distance of light travelled in one year

Explanation:

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Answer 2

Answer:

The light-year is a unit of length used to express astronomical distances and is equivalent to about 9.46 trillion kilometres or 5.88 trillion miles. As defined by the International Astronomical Union, a light-year is the distance that light travels in vacuum in one Julian year.

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