A ball of ice.
A comet is comprised mostly of ice. The tail of the comet is caused by cosmic winds, from our sun, blasting particles off the comet's surface, the tail does NOT point in the opposite direction of travel, as one might expect, but points directly away from the source of the solar winds. That's why a comets tail, (from our perspective) may be traveling in a certain direction but have it's tail pointing in the SAME direction.
a comet/meteorite
It is a comet.
Halley's Comet
The comet's tail is in front of the comet, not after
=The reindeer who's name is also the name of a kitchen cleanser is COMET=
from the greek word comet, meaning "to comet"
no comet west is not a real comet
A short period comet.
there's comet halley, comet hale-bop, comet borrelly, and Comet wild 2... that's all i can think now.
not comet
The possessive form of the noun comet is comet's. Example: The comet's appearance was calculated for three AM.