Question

Define astronomical unit​

Answer 1

Answer:

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Explanation:

An Astronomical Unit (AU) is the average distance between Earth and the Sun, which is about 93 million miles or 150 million kilometers. Astronomical units are usually used to measure distances within our Solar System.

Answer 2

Answer:

A unit of measurement equal to 149.6 million kilometres, the mean distance from the centre of the earth to the centre of the Sun