◄
Planetarium
►
Dictionary
(
n.
) An orrery. See
Orrery
.
Thesaurus
Cassegrainian telescope
Newtonian telescope
OAO
OSO
astronomical observatory
astronomical telescope
coelostat
coronagraph
coronograph
heliostat
observatory
orrery
radar telescope
radio observatory
radio telescope
reflector
refractor
spectrograph
spectroheliograph
spectrohelioscope
spectroscope
telescope
Clyx.com