Cathedral
- Multidimensional structure located within the Oort cloud of System GQ-12475 (DS9 Novel: Mission Gamma: Cathedral)
- Constructed during the Manraloth era, c.500 million ya (DS9 Novel: Mission Gamma: Cathedral)
- Originally located on inhabited planet within the GQ-12475 system (DS9 Novel: Mission Gamma: Cathedral)
- Likely some manned of energy collection device pulling power from adjacent subspace domains and parallel universes (DS9 Novel: Mission Gamma: Cathedral)
- Planet destroyed due to massive release of energy from device as a side effect of normal functioning (DS9 Novel: Mission Gamma: Cathedral)
- Device untouched due to being source of the energy release, but the force of the devastation was sufficient to propel it into a distant solar orbit eventually stabilizing within the system's Oort cloud (DS9 Novel: Mission Gamma: Cathedral)
- Interconnects with alternate timelines and universes through subspace (DS9 Novel: Mission Gamma: Cathedral)
- Rotates through multiple spatial dimensions, giving the appearance of changes in size and mass (DS9 Novel: Mission Gamma: Cathedral)
- Outer hull structure includes significant amounts of gold, platinum, and other various precious elements, as well as assorted transuranic and hypersonic elements (DS9 Novel: Mission Gamma: Cathedral)