What is a light year? Options: A . &nbspIt is the speed at which light travels for one year B . &nbspIt is the time taken by the light to reach the earth C . &nbspIt is the distance which the earth travels in one year D . &nbspIt is the distance which light travels in one year

What is a light year?

Question

What is a light year?

Options:

A . It is the speed at which light travels for one year

B . It is the time taken by the light to reach the earth

C . It is the distance which the earth travels in one year

D . It is the distance which light travels in one year

Answer: Option D
:
D
A light year is defined as the distance traveled by light in oneyear. For example ifa star is4 light years away from earth, it means that light from that starwill take 4 yearsto reachEarth.

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