гамма-квант
X-ray photon
gamma radiation
gamma-beam generation
gamma-induced detection
solar photon rocket engine
long-wavelength photon
photon
gamma rays
cathode ray tube (CRT)
X - X-ray – XRAY
X-ray radiation
X-ray inspection
cosmic ray albedo
X-ray flаw detection
X-ray testing
ray
sound ray
clock ray