The orbits of most asteroids:
A) Lie beyond Neptune
B) Lie entirely beyond the orbit of Mars
C) Cross the orbit of Mars
D) Cross the orbit of Earth
E) Cross the orbits of all four terrestrial planets
Answer: B
The orbits of most asteroids:
A) Lie beyond Neptune
B) Lie entirely beyond the orbit of Mars
C) Cross the orbit of Mars
D) Cross the orbit of Earth
E) Cross the orbits of all four terrestrial planets