Chapter 7
Gamma-ray astronomy
Links to WWW resourcesGamma-ray source map.......................................212 The Second COS-B Catalog of Gamma-ray Sources.............212 Intensities of X- and gamma-ray sources....................214 Very high energy gamma-rays...............................214 Crab Nebula spectra........................................215 Diffuse gamma-ray background...............................216 Spectral features..........................................217 Downward gamma-ray flux....................................218 Bibliography...............................................218