The fireball from the nuke may not even touch the ground, and the only radiation would come from the bomb itself and any dust particles in air swept up in the explosion, Stephen Schwartz ...

Andrei Sakharov, a Soviet physicist, conceived of the 100-megaton weapon ... On the day the iconic bomb was dropped, Soviet Air Force Major Andrei Durnovtsev piloted. Since it was too large ...

In 1962, the US government launched a 1.4 megaton bomb from Johnston Island. And detonated it 400 km above the Pacific — about as high as where the International Space Station orbits today.

THE explosion of the Soviet 50 megaton bomb in the vicinity of Novaya Zemlya at approximately 0833 G.M.T. on October 30, 1961, produced pressure oscillations in the atmosphere that were recorded ...