MCQ : One astronomical unit (AU) is the average distance between

Question

One astronomical unit (AU) is the average distance between

1. The sun and the moon
2. The Earth and the moon
3. The Earth and the sun
4. None of these

Answer

the Earth and the Sun

Explanation

An astronomical unit (AU) is a unit of measurement used in astronomy to represent distances within the Solar System. It is defined as the average distance between the Earth and the Sun, which is approximately 149.6 million kilometres (93 million miles) or 1 astronomical unit (AU).