What is a light year?

1.	What is a light year?
Answer» 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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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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What is a light year?​

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What is a light year?