Cosmic radiation

Cosmic radiation - ionizing radiation in space. Cosmic radiation includes galactic cosmic radiation, consisting of atomic nuclei at high energies almost all elements of the periodic table, radiation of solar flares on the Sun, containing mainly protons different energies, and radiation of the Earth radiation belts (protons, electrons). From the destructive effects of space radiation all life on Earth is protected by the atmosphere and the Earth's magnetic field. Cm. also ionizing Radiation.