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What is light year?? _______________:) |
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Answer» ear 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. More precisely, one light-year is EQUAL to 9,500,000,000,000 kilometers. |
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