Nebula Classification A database of the varying different nebula types known by the Federation
Planetary Classification A database of the varying different planetary types known by the Federation
Spectral Classification A database of the varying different star types known by the Federation
The Delta Quadrant The Delta Quadrant is the common designation for one-quarter of the Milky Way Galaxy, adjacent to the Beta Quadrant and to the Gamma Quadrant. The quadrant's closest point to the United Federation of Planets is located in the galactic core.
The Iota System The Iota System is located in the Delta Quadrant, near the location of the original graviton catapult encountered by the Starship Voyager that founded the basis for Starfleet's own devices. It is home to the Iota Command Facility and the large graviton catapult constructed to ensure Federation Starships could return safely and speedily to the Alpha Quadrant.