The mean density of the trans-Neptunian object Pluto is most similar to the densities of the
A) terrestrial planets.
B) Jovian planets.
C) large moons of Jupiter and Saturn.
D) asteroids.

Question

Quizplus · Accepted Answer

Pluto's mean density is most similar to that of the large moons of Jupiter and Saturn, indicating a composition of ice and rock, unlike the terrestrial planets (mostly rock) and the Jovian planets (mostly gas).

The Mean Density of the Trans-Neptunian Object Pluto Is Most