Answer:

actually in the previous time we have been measured by km after AU after light years they told that Earth to 1 star is eight light years

Verified answer

Answer:

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 8 light-years away from the earth, it means that the distance between the star and the earth is the distance light would travel in eight years.

Explanation:

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