The average distance of Pluto from the Sun is 40 AU.How long does it take for light to travel across the solar system from one side of Pluto's orbit to the other?
A) 5 hours
B) 8 minutes
C) 22 hours
D) 11 hours

Question

Quizplus · Accepted Answer

The average distance from the Sun to Pluto is 40 AU, so the diameter of Pluto's orbit is approximately 80 AU. Light travels 1 AU in about 8 minutes, so it takes about 640 minutes (80 x 8) or approximately 11 hours for light to travel across Pluto's orbit.

The Average Distance of Pluto from the Sun Is 40