A Theory of the Origin of the Solar System Must

Multiple Choice

A theory of the origin of the solar system must take into account all important general properties of the planets, which include three of the four properties listed. Which one is NOT an important general property of the planets?

A) The planets are grouped by size and composition into three general groups.
B) The magnetic fields of the planets are produced by a variety of mechanisms.
C) The terrestrial planets all orbit much closer to the Sun than do any of the Jovian planets.
D) All the planets orbit the Sun in the same direction and nearly in the same plane.