( CNN) Friday is International Asteroid Day. A 24 -hour live program will be incorporated in everything you’ve ever wanted to know about these rocky bits of seat junk, the threats they may constitute to Earth and what we can gain from considering them.
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The date observes the Earth’s largest registered asteroid impact in 1908 when a potent asteroid struck the Podkamennaya Tunguska River in a remote Siberian timber of Russia. The episode leveled trees and destroyed groves across 770 square miles, or three quarters of the state of Rhode Island. The blow threw parties to the dirt in a city 40 miles away.
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