Encyclopedia > Timeline of other background radiation fields

Article Content

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

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

BBC News 24

... channel. It first broadcast in November 1997 and at first only cable television subscribers could view it. In 1999, with the advent of digital television in the UK, ...