Planets are large spherical bodies of matter that are in orbit around a star. Along with those of the Sol system, many planets in other star systems are known to exist. Some of Earth's most ardent champions (and deadliest enemies) originally hailed from other planets.
Below is a list of known planets and some of their history as it relates to the heroes of our planet.
- See also: List of aliens, List of people by species and List of Races for more info on planetary races.