![]() ![]() To calculate the distance in Light year: Calculate the distance in Light year between two stars, if the distance between them equals 37.868 × 10 12 km.ĭistance in light year = Distance in kilometre/ 9.467 × 10 12 = 37.868 × 10 12/ 9.467 × 10 12 = 4 light years. When the distance between the Sun and a star is three light-years, this means that the distance between the Sun and this star = 3 × 9.467 × 10 12 = 28.401 × 10 12 km. ![]() Light year is the distance covered by light in one year and it equals 9.467 × 10 12 km.ĭistance in Light year = Distance in km/ 9.467 × 10 12 The distance between stars are very large, so astronomers don’t measure them in kilometres, but with the Light year. They appear small although they are big-sized because they are millions of kilometres away from us. Stars are big-sized bodies that emit enormous amounts of heat and light. When you look at the sky in a clear moonless night, you will see a huge number of bright bodies called Stars. ![]()
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