Gamma rays

electromagnetic radiation of high frequency and high energy

observational astronomy performed at less than 10 nm wavelengths

device used primarily in medical contexts to image gamma radiation emitted by a source

quantitative study of the energy spectra of gamma-ray sources

formula to approximate nuclear mass based on nucleon counts

burst of gamma rays produced in the Earth's atmosphere

fungus which apparently metabolizes ionizing radiation

radiation resulting from particle-antiparticle collisions