Question

The distance of a planet from a star is 10 AU. Express this distance in light years and parsec .

Answer 1

$$10\ AU=10(4.85\cdot 10^{−6})=4.85\cdot 10^{−5}\ parsec$$

$$10\ AU=10(15.8\cdot 10^{−6})=15.8\cdot 10^{−5}\ light-years$$