00:00 On this day in space.
00:03 On February 15, 2013, a small asteroid exploded over the city of Chelyabinsk, Russia.
00:09 The shockwave from the explosion damaged thousands of buildings
00:12 and almost 1,500 people were injured by broken glass and other debris.
00:16 The explosion was more powerful than a nuclear bomb
00:19 and it was so bright that it briefly outshone the sun.
00:22 No one saw this giant space rock coming.
00:25 At 60 feet in diameter, it was the largest thing to fall from space in more than 100 years.
00:29 It entered Earth's atmosphere traveling more than 60 times the speed of sound
00:33 and exploded into countless pieces.
00:35 The biggest fragments were later recovered in Lake Chabarco.
00:38 And that's what happened on this day in space.
00:41 [ music ]
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