The Tzar-bomb was not an fission-based A-bomb, it was a fusion-based H-bomb. This type of nuke has typically much less fallout. https://en.wikipedia.org/wiki/T

The Tzar-bomb was not an fission-based A-bomb, it was a fusion-based H-bomb. This type of nuke has typically much less fallout. https://en.wikipedia.org/wiki/Tsar_Bomba https://en.wikipedia.org/wiki/Tsar_Bomba https://en.wikipedia.org/wiki/Thermonuclear_weapon https://en.wikipedia.org/wiki/Thermonuclear_weapon https://en.wikipedia.org/wiki/Nuclear_weapon_design https://en.wikipedia.org/wiki/Nuclear_weapon_design