Chemistry, 15.10.2019 15:20, katrinajernae8216

What is a light-year?

a. the distance light travels from the sun to the earth
b. the distance light travels in one orbit of the moon
c. the distance light travels in one earth year
d. the time it takes light to travel across the universe

Answers: 1

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What is a light-year?

a. the distance light travels from the sun to the earth
b....