June 30, 1908: The Tunguska impact

An enormous explosion occurred approximately 3 to 6 miles (3.8 to 9.7 kilometers) above the Tunguska River area of Siberia on June 30, 1908, when an asteroid entered Earth’s atmosphere and exploded in an airburst. This event, known as the Tunguska Event, unleashed an estimated energy equivalent to up to 15 megatons of TNT, withContinue reading “June 30, 1908: The Tunguska impact”
The post June 30, 1908: The Tunguska impact appeared first on Astronomy Magazine.