Online Encyclopedia
Timeline of other background radiation fields
Timeline of other background radiation fields
- 1912 - Victor Hess discovers that the ionization of air increases with altitude indicating the existence of cosmic radiation
- 1949 - Herbert Friedman detects evidence for extrasolar X-rays
- 1962 - Riccardo Giacconi, Herbert Gursky , F. Paolini , and Bruno Rossi formally discover the X-ray background
Last updated: 01-09-2005 23:50:33