The orbits of most comets:
A)are like the planets, fairly circular and in the ecliptic plane.
B)lie almost entirely beyond the orbit of Neptune.
C)have perihelions within the orbits of Mercury.
D)go no farther out than Pluto, then return to the Sun again.
E)are shorter than the 76 year period for Comet Halley.

Question

Quizplus · Accepted Answer

Most comets have orbits that lie beyond Neptune, originating from the Kuiper Belt or Oort Cloud, and have highly elliptical orbits.

The Orbits of Most Comets