Support WBURA Very Scary Light Show: Exploding H-Bombs In SpacePlay06:12Download AudioRobert KrulwichJuly 01, 2010 ShareNight turned into day on July 9, 1962, when the U.S. government exploded a hydrogen bomb 1,000 times more powerful than the bomb that hit Hiroshima above Earth's atmosphere. This is a sunset you don't ever want to see. (Honolulu Star-Advertiser)