The one orbital characteristic both short- and long-period comets share is:
A) mostly prograde orbits.
B) orbits with completely random tilts.
C) orbital periods longer than that of any planet.
D) highly eccentric orbits.

Question

Quizplus · Accepted Answer

Both short-period and long-period comets have highly eccentric orbits, meaning their orbits are elongated and bring them close to the Sun at their perihelion (closest point to the Sun) and far away from the Sun at their aphelion (farthest point from the Sun).

The One Orbital Characteristic Both Short- and Long-Period Comets Share