On June 30, 1908, eighty million Siberian trees fell over. The cause? An asteroid weighing about 220 million pounds that heated the air to a blazing 44,500°F.
This #AsteroidDay see how the Tunguska event has implications for us today: https://go.nasa.gov/3a0jyT7
https://twitter.com/NASAhistory/status/1542538453996421121