Pluto is different from the outer planets in all of the following ways except which one?
A) Its surface temperature is very cold.
B) It is made mostly of ices.
C) Its orbit is not very close to being circular.
D) It has few moons.
E) It doesn't have rings.
Question 2
Which large jovian moon is thought to have been captured into its present orbit?
A) Callisto
B) Titan
C) Triton
D) Io