What was the approximate diameter of the object which denoted in the sky above Chelyabinsk in 2013?
A) 10 km
B) 20 meters
C) 1 meter
D) 100 meters

Question

Quizplus · Accepted Answer

The object that exploded in the sky above Chelyabinsk, Russia, in 2013 was approximately 20 meters in diameter. This event is one of the most well-documented meteor airbursts in recent history, causing significant damage and injuries due to the shockwave it produced upon exploding in the atmosphere.

What Was the Approximate Diameter of the Object Which Denoted