Physics, 25.01.2021 22:50, zmzmzmzmz2975

What is a light year? A: the distance light travels in one earth year
B: the time it takes light to travel across the universe
C: the distance light travels in one orbit of the moon
D: the distance light travels from the sun to the earth

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What is a light year? A: the distance light travels in one earth year
B: the time it takes li...