From The Planetary Society weblog: The place: the Podkamennaya (Lower Stony) Tunguska River in central Siberia, northeast of Lake Baikal; the time: 7:14 a.m. on the morning of June 30, 1908. Within minutes the “Tunguska Event,” the largest asteroid impact in modern recorded history, was over.
100 years ago today!
Orbiting Frog 
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