nanocraft
kinoform
radiolucent
radiograph
roentgenoscope
skiagraph
magnetotellurics
meridional ray
biolasing
ray tracing
radio-opaque
raytraced
telescopical
Hohmann transfer
radiogram
optodynamics
fluoroscope
astronomy satellite
STEREO
shadowgraph
skiagram
paraorbital
stardrive
radiopacity
telescope
radiable
Newtonian reflector
double refraction
penetrometer
Newtonian telescope
ring laser
mode locking
coronograph
stimulated emission depletion microscope
optic axis
orbit
radio-opacity
astronomical transient
hyperbolic sector
exorbital
laser beam
telescopic
telespectroradiometer
optostimulation
X-ray
New Horizons
outcouple