Chelyabinsk meteor

The Chelyabinsk meteor refers to a significant meteor explosion that occurred on February 15, 2013, over the city of Chelyabinsk in Russia. The event involved a small asteroid, estimated to be about 20 meters in diameter and weighing approximately 13,000 metric tons, which entered Earth's atmosphere at a high speed of around 19 kilometers per second (over 42,000 miles per hour).