radiospectrometer
telespectroradiometer
radio observation
telespectrograph
astrointerferometer
telescopically
teleotoscope
reflector
solar telescope
telescopical
astronomy satellite
radio telescope
astronomical telescope
robodoc
radio reflector
coude telescope
coude system
dioptric
telephotometer
scopeful
raft
refractor
astrograph
radiotelescopy
optical telescope
perspective glass
spyglass
field glass
glass
photospectroradiometer
spectrofluorophotometer
spectropolariscope
telescopic
radiographics
lithium-drifted silicon detector
Galilean telescope
pole
monoscope
Schmidt camera
radio brightness
telespectroscope
collimator
coronograph
telescope
subreflector
phototelescopic
photoheliograph
cryptoscope
radiospectrometric
comet-finder