A------------ is the distance traveled in space by light in a period of one year
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Answer:
A light-year is a unit of distance. It is the distance that light can travel in one year. Light moves at a velocity of about 300,000 kilometers (km) each second. So in one year, it can travel about 10 trillion km.
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Explanation:
Light year.
1 light year = 9.46 x 10^14 metres (approx)
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