Proxima Centauri is the nearest known star to the Sun. It is situated at a distance of 4.24 light years from the Sun. How many kilometers is it away from the Sun?
We know that, 1 light year = 9.467 × 1015 m
Distance of Proxima Centauri from the Sun = 4.24 light years
= 4.24 × 9.467 × 1015 m
= 40.14 × 1015 m
= 40.14 × 1012 km