Which of the following statements best explains why the planets orbit in nearly a single plane and in the same direction around the Sun?
A) The planets all rotate in same direction as they orbit.
B) The Sun rotates in the same direction, and spun out the planets as it formed.
C) The planets formed from a disk of rotating gas.
D) It's a mysterious coincidence: the planets form randomly, so it's a puzzle how they orbit that way.
Question 2
The region in which charged particles are trapped by our magnetic fields is the
A) Aurora.
B) ozone layers.
C) Van Allen radiation belt.
D) exosphere.
E) ionosphere.