The Tsar Bomba wasn’t just a bomb—it was a message. In 1961, the Soviet Union detonated the largest nuclear weapon ever built, unleashing a 50-megaton explosion that was 3,000 times more ...

The explosion's mushroom cloud traveled 30 miles ... The flash of light from the blast was visible up to 620 miles away. The Tsar Bomba, as the test was ultimately known, had a yield between ...

Tsar Bomba, which was the largest nuclear bomb ... Satellites wouldn't be safe either. Radiation from the explosion would fry the circuits of hundreds of instruments in low-earth orbit.

The weapon used a thermonuclear detonation to trigger an additional and even larger explosion ... Video of the Tsar Bomba detonation can be found here, as part of an episode of The History ...