One astronomical unit is the average distance between
- Athe Earth and the Sun
- Bthe Earth and the Moon
- Cthe Jupiter and the Sun
- Dthe Pluto and the Sun
- ENone of the above/More than one of the above
Show answer and explanation
Correct answer: (a) the Earth and the Sun
Explanation
An Astronomical Unit (AU) is the average distance between the Earth and the Sun. Astronomical units are generally used to measure distances within our solar system. 1 AU = 1.496 × 10¹¹ m.