In 1908 it was Tunguska event, a meteorite exploded in mid-air, flattening 770 square miles of forest. 39 years later in 1947, 70 tons of iron meteorites pummeled the Sikhote-Alin Mountains ...
On June 30, 1908, a massive explosion occurred in Tunguska, Siberia, flattening 80 million trees. Scientists now believe it was an iron asteroid that skimmed Earth's surface and rebounded into space.
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