Halley's Comet

Location: Solar System Inhabited by: Uninhabitable

General
Halley's Comet is a comet that orbits the Sun every 75.3 years. It was subject to military operations at least once (Old Man Waterfall helped reconquer it) and was Earth's primary source of ice to combat global warming until the resources were depleted in 3003.

Appearances

 * A Taste of Freedom (mentioned, but not seen)
 * Crimes of the Hot