Question

the distance of a star is 4 light years from the Earth what do you mean by this statement write the answer

Answer 1

Explanation:

Light-year is a large unit and equals the distance travelled by light in one year. Hence, the large distances are expressed in light-years. If a star is located 4 light-years away from the earth, it means that the distance between the star and the earth is the distance light would travel in 4years