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What is a light-year?
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What is a light-year?

User Codure
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Answer: A light year is a unit of astronomical distance used to measure the distance light travels in one year.

User Sergii Rudenko
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Answer:

light year is a unit of astronomical distance equivalent to the distance that light travels in one year, which is 9.4607 ×10^12 km (nearly 6 million million miles).

User Otilia
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