which is the distance between Star express invite year? vote you understand by statement that a star is eight light year away from the earth
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Many astronomical objects like stars or galaxies are very far away from the earth & giving their distances in the kilometres unit becomes very inconvenient.
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.
1 light-year = 9.46 x 1012 km
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.
Explanation:
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