Exact Match:
- observatory
- a building designed and equipped to observe astronomical phenomena
Synonyms:
- Cassegrainian telescope,
- Newtonian telescope,
- OAO,
- OSO,
- Texas tower,
- astronomical observatory,
- astronomical telescope,
- beacon,
- belvedere,
- bleachers,
- bridge,
- coelostat,
- conning tower,
- coronagraph,
- coronograph,
- gallery,
- gazebo,
- grandstand,
- heliostat,
- lighthouse,
- lookout,
- loophole,
- observation post,
- orrery,
- outlook,
- overlook,
- peanut gallery,
- peephole,
- pharos,
- planetarium,
- radar telescope,
- radio observatory,
- radio telescope,
- reflector,
- refractor,
- ringside,
- ringside seat,
- sighthole,
- spectrograph,
- spectroheliograph,
- spectrohelioscope,
- spectroscope,
- telescope,
- top gallery,
- tower,
- watchtower