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Ground zero


 

Ground zero is the exact location on the ground marking the detonation point of any bomb; in the case of a bomb designed to explode in the air, it refers to the point on the ground directly below the bomb at the moment of detonation.

Hiroshima and Nagasaki

Before September 11, 2001 the term ground zero was often used for the devastation caused by the atomic bombing of Hiroshima and Nagasaki http://www.nuclearfiles.org/hiatomicbomb/081501axworthy.htm.

Related Topics:
September 11 - 2001 - Atomic bomb - Hiroshima - Nagasaki

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