Planet

A planet was, in human terms, a celestial body orbiting a star or stellar remnant that was massive enough to be rounded by its own gravity, was not massive enough to cause thermonuclear fusion, and had cleared its neighbouring region of planetesimals.

Significant planets

 * Earth in the Sol System
 * Crestwell's World in the Crestwell's Star System
 * Safehold in the Kau-zhi System