Question

Light year is a unit of a) speed b) speed*time c) Speed/time c) time​

Answer 1

Answer:

c) speed by time

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Answer 2

Answer:

Yes, it is. It is a measure of time. It is also a measure of distance too. Light travels 300,000 KM in one second. This is one unit of light time. Galaxies 13.8 billion light years away ( distance) are 13.8 billion years old ( time) too.

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