The orbits of most comets
A) are like the planets, fairly circular and in the ecliptic plane.
B) have perihelions within the orbits of Mercury.
C) lie almost entirely beyond the orbit of Neptune.
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 highly elliptical orbits that take them far beyond the orbit of Neptune, often originating from the Kuiper Belt or the Oort Cloud.

The Orbits of Most Comets