TDISH: Destruction From the Skies

In the early morning of June 30, 1908, natives of remote Siberia witnessed a strange flashing in the sky.  Minutes later a massive explosion ripped across the tundra, flattening trees and killing wildlife across approximately 2,000 square kilometers of wilderness.  The explosion was the equivalent of 3 to 5 megatons of TNT – about 300 times stronger than the atomic bomb dropped on Hiroshima.  The exact cause of the so-called Tunguska event has long been a matter of debate, though most scientists now think it was caused by an above-ground detonation of a part of either an asteroid or a comet.  However, conspiracy theories abound as with any major event such as this.  No human casualties were reported.

Peplow, Mark. “Rock samples suggest meteor caused Tunguska blast.” Nature. 10 June 2013.
Featured Image. “Tunguska Event.” By Leonid Kulik, the expedition to the Tunguska event – Vokrug Sveta, 1931, Public Domain.
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