The Astronomical Unit (AU) as defined by astronomers is
A) a distance of one light year
B) the average distance between the Earth and the Sun
C) the time it takes for the Earth to orbit the Sun once
D) the distance the Earth travels in orbit in one day
E) the distance between Congress and the White House

Question

Quizplus · Accepted Answer

The Astronomical Unit (AU) is defined as the average distance between the Earth and the Sun, which is approximately 93 million miles or 150 million kilometers. It is commonly used in astronomy as a standard unit of distance within our Solar System. Choices A, C, and D are not correct as they refer to time or distance measurements that are not directly related to the distance between the Earth and the Sun. Choice E is not correct as it is a joke option that is not related to astronomy.

The Astronomical Unit (AU) as Defined by Astronomers Is