Comets revolve around the Sun in highly elongated (elliptical) orbits, a path shaped like a long oval, due to the Sun's gravitational pull. These orbits take them from the distant, icy outer regions of the solar system to near the Sun, where their ice vaporizes to form a glowing coma and tail. They move faster when closer to the Sun and slower when farther away, eventually returning to the outer solar system after periods that can range from years to millennia.
Comets revolve around the Sun?
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