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-- See Also the narrower term Alpha rays

-- See Also the narrower term Bremsstrahlung

-- See Also the narrower term Electromagnetic pulse

-- See Also the narrower term Extraterrestrial radiation

-- See Also the narrower term Gravitational waves

-- See Also the narrower term Heat Radiation and absorption

-- See Also the narrower term Invariant imbedding

-- See Also the narrower term Ionizing radiation

-- See Also the narrower term Irradiation

-- See Also the narrower term Luminescence

-- See Also the narrower term Mass attenuation coefficients

-- See Also the narrower term Mossbauer effect

-- See Also the narrower term Nuclear spectroscopy

-- See Also the narrower term Orgonomy

-- See Also the narrower term Radiation, Background

-- See Also the narrower term Radiation sources

-- See Also the narrower term Radiative transfer

-- See Also the narrower term Radioactivity

-- See Also Radiology

-- See Also the narrower term Sound

-- See Also the narrower term Spectral energy distribution

-- See Also the narrower term Spectrum analysis

--subdivision Spectra under individual chemicals, materials, elementary particles, and celestial bodies, e.g. Copper--Spectra; Metals--Spectra; Protons--Spectra; Stars--Spectra

-- See Also the narrower term Transport theory

-- See Also the narrower term Ultraviolet radiation

-- See Also the narrower term X-rays