If light takes 8 minutes to travel from the Sun to Earth, and over 4 hours to travel from the Sun to the planet Neptune, what is the distance from the Sun to Neptune?
A) 5 AU
B) 30 AU
C) 30 ly
D) 5 ly

Question

Quizplus · Accepted Answer

The distance from the Sun to Neptune is approximately 30 Astronomical Units (AU), as light takes about 8 minutes to travel 1 AU (the average distance from the Earth to the Sun), and over 4 hours to reach Neptune, indicating it is much farther than Earth.

If Light Takes 8 Minutes to Travel from the Sun