what is light year? what is light year?
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Answer:
Light year is a unit of measurement used to measure very long distances. It is mostly used to measure the distance between two celestial bodies.
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Answer:
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).
Explanation:
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a long distance or great amount.
"the new range puts them light years ahead of the competition"
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