9
QuizMultiple Choice

Earth-Moon-Sun System

Question 9 • BHS-Physics A-CR w/ Prescriptive Test

What is an astronomical unit (AU)?

Answer
A
the diameter of the Sun
B
the radius of the Sun
C
the average distance between Earth and its moon
D
the average distance between Earth and the Sun

Explanation

An astronomical unit is defined as the average distance between Earth and the Sun, about 150 million kilometers. It is a convenient unit for describing distances within the solar system, not a measurement of the Sun’s size or the Earth–Moon distance.

AI-written and checked against the verified answer.

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