Summer 2016
Close Encounters from Outer Space
The errant asteroid hurtled through space at 40,000 miles per hour. Tumbling in a wild orbit, it glinted with sunlight as it neared the Earth. At 65-feet wide, the potato-shaped object should have been easily detected but no one saw it coming.
On the morning of February 15, 2013 the asteroid exploded with the force of 500 kilotons of TNT about 15 miles above the city of Chelyabinsk in the Russian Ural Mountains. The fireball was reportedly 30 times brighter than the sun. The shockwave blew out windows in hundreds of buildings and injured more than 1,500 people.
It was Earth’s most powerful meteor strike … » More …