Question

the distance between the brightest star Sirius and the Earth is 8.7 light year. calculate the distance in kilometer​

Answer 1

Answer:

7.6*1013

Explanation:

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. So, the distance between the earth and star = 8 ✕ (9.46 ✕ 1012) = 7.6 ✕ 1013 km.