Nuclear weapons space tests: Teak, Orange, Starfish Prime, Checkmate, Bluegill, Kingfish (195862). Effects of electromagnetic pulse and the artificial van Allen radiation belts from nuclear explosion beta radiation trapped by earth's magnetic field mirroring effects in outer space. Note that this film is declassified relatively lowdefinition, low quality film. For extensive, much higher quality, widescreen format and fully restored declassified film of these tests, please see Peter Kuran's excellent films and DVDs "Nukes in Space", "Atomic Filmmakers", and "Trinity and Beyond"; info at http://www.atomcentral.com/
For a scientific discussion of recently declassified nuclear weapons testing data please see: http://glasstone.blogspot.co.uk/