Cosmic rays [Using the earth as a magnet to analyse cosmic rays; Positrons and the materialization of energy; Electrons, photons and showers; Mu mesons; Pi mesons; Nuclear interactions of cosmic rays; Cosmic rays and the sun; etc]

viii, 268 p. illus. 21 cm. ; LCCN: 64-17570 ; LC: QC485; Dewey: 539.7223 ; OCLC: 536242 ; beige and brown cloth with red lettering and brown designs ; no dustjacket ; ex-lib, stamps, label, date due, pocket ; Contents: A radiation from outer space - - Atoms and radiations -- The nature of cosmic rays -- Puzzling clues -- Using the earth as a magnet to analyse cosmic rays -- Positrons and the materialization of energy -- Electrons, photons and showers -- Mu mesons -- Pi mesons -- Nuclear interactions of cosmic rays -- What cosmic rays are and what they do in the atmosphere -- Giant showers of the atmosphere -- The Van Allen radiation belt -- Cosmic rays and the sun -- The origin of cosmic rays : an unsolved problem -- Mass per unit area -- Logarithmic scales -- Energy and momentum -- The electron volt -- Computation of magnetic rigidity -- The neutron and the structure of atomic nuclei -- The neutrino -- Elementary particles. ; VG.