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if an object is 150 light years away, how long will it take for the light to get to you

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roytucker
150
a light year is the time it takes light to travel to a certain point in space
AbhiGhost
Light year is the distance traveled by light in one year. 1 light year = 9.4607x10^12km. So 150 light years = 150x9.4607 x 10^12 = 1.419x10^15km = 1.419 x 10^18 m. Therefore, time = distance/speed = 1.419 x 10^18/3 x 10^8 = 4730000000s. Hope it helps. 

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