Which pair of solar system bodies comes closest to approximating a "double planet," that is, two bodies of roughly equal mass close enough to revolve around each other as they orbit around the Sun?
A) Earth; Venus
B) Pluto; Charon
C) Uranus; Saturn
D) Venus; Mars

Question

Quizplus · Accepted Answer

Pluto and Charon are often referred to as a "double planet" due to their similar sizes and their close orbit of each other. They are also located in the outer regions of the solar system where there are fewer and smaller planets to interfere with their gravitational relationship.

Which Pair of Solar System Bodies Comes Closest to Approximating