KASCADE
radiospectrometer
radio observation
ionosonde
telespectroradiometer
spectroheliometer
SAO
skylab
radiospectrometry
observatorial
spectroastrometry
radiogermanium
Wilhelm Konrad Roentgen
radioprobe
Wilhelm Konrad Rontgen
Rontgen
Roentgen
spectrohelioscope
ultraviolet astronomy
pyranometer
CMB
astronomical telescope
physics laboratory
physics lab
Skylab
radiograph
hot laboratory
telespectrograph
crystal set
field emission microscope
spectroradiometrically
teleotoscope
hermeocentric
Hess
Victor Hess
cryomicroscope
Victor Francis Hess
radio telescope
Victor Franz Hess
X-ray machine
planetarian
sunshield
mercurial
cryomacroscope
raytraced
water telescope
comet-finder
lithium-drifted silicon detector
radiotracer
hodoscope
radiochromatoscan
mass spectrum
flap
microassay
stargazer
uranologist
X-ray telescope
astronomer
accelerator mass spectrometry analysis
triquetrum
astronomics
gravitometer
solar telescope
deltidial
Philipp Lenard
radio brightness
roentgenometer
spectropolariscope
radiolarist
branchiostegal
Lenard
synchrotron light
atmospherology
gamma-ray astronomy
euscope
Sol I
roentgenoscope
astronomy satellite
entoptoscope
radioscopical
tomograph
mass spectrometer
wavemeter
survey meter
spectrometer
cosmo-
radiodensitometry
glass
ondoscope
fluoroscope
ionization chamber
scopeful
radiotungsten
ionization tube
protoMercury
smirch
cymoscope