Chelyabinsk meteor: February 15, 2013

Chelyabinsk meteor: February 15, 2013

EarthSky’s 2026 lunar calendar shows the moon phase for every day of the year. Get yours today! Chelyabinsk: a mid-sky asteroid explosion On February 15, 2013, a small asteroid with an estimated size of 65 feet (20 meters) entered Earth’s atmosphere. It was moving at 12 miles per second (~19 km/sec) when it struck the protective blanket of air around our planet, which did its job and caused the asteroid to explode. The bright, hot explosion took…