Physics, asked by paramaniksupriyo71, 9 months ago

define light year and express it in s. i system. ​

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Answered by ChimChimsKookie
24

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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