Xyrillian homeworld
The Xyrillian homeworld was an inhabited planet and the homeworld of the space-faring Xyrillians. Thera was one of its cities.

In 2151, Xyrillian engineer Ah'len created a holographic projection of her homeworld for . The simulation included Thera. The simulation also depicted pterodactyl-like life forms, presumably native to the planet. ()

Unnamed planets
Homeworlds