GS PrelimsScience and TechnologyUniverse and Space Technology1998

One Astronomical Unit is the average distance between

Earth and the Sun

Earth and the Moon

Jupiter and the Sun

Pluto and the Sun

Correct Answer: Option A

Explanation

1. An Astronomical Unit (AU) is a unit of length used primarily for measuring distances within the solar system. 2. It is defined as the average distance between the Earth and the Sun. 3. Its value is approximately 149.6 million kilometers (or 93 million miles). 4. Option (A) correctly defines the Astronomical Unit.

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