Parts of the sea bottom may become fallout . After the Castle Bravo test , white dust — contaminated calcium oxide particles originating from pulverized and calcined corals — fell for several hours , causing beta burns and radiation exposure to the inhabitants of the nearby atolls and the crew of the '' Daigo Fukuryū Maru '' fishing boat . The scientists called the fallout '' Bikini snow ''
Castle Bravo
Castle Bravo
Nuclear fallout