Question

An astronomer observes an asteroid in the solar system. He notes that the asteroid is three times farther from the Sun than Earth is.

How far away from the Sun is the asteroid in astronomical units?

1 AU
2 AU
3 AU
4 AU
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Answer 1

3 AU

Step-by-step explanation:

The distance from the Earth to the Sun is known as 1 AU, or 1 Astronomical Unit. If an asteroid is three times this distance, it is 3 AU away.