No one saw the Chelyabinsk meteor of February 15, 2013, coming – the largest asteroid to strike Earth in over a century. Just after sunrise on a sunny winter’s day, a 20-meter, 13 000 tonne asteroid struck the atmosphere over the Ural Mountains in Russia at a speed of more than 40,000 miles per hour
This 3D simulation of the Chelyabinsk meteor explosion by Mark Boslough was rendered by Brad Carvey using the CTH code on Sandia National Laboratories’ Red Sky supercomputer. Andrea Carvey composited the wireframe tail. Credit: Sandia Labsof February 15, 2013, coming – the largest asteroid to strike Earth in over a century.
Hidden in the glare of our Sun are an unknown number of asteroids, on paths we do not know, many of which could be heading for Earth, and we just don’t know it. Vapor cloud trail left by the Chelyabinsk asteroid as seen by M. Ahmetvaleev on February 15, 2013. It shows the path where an approximately 20 m-diameter, 13,000-tonne near-Earth object entered Earth’s atmosphere over the city of Chelyabinsk in Russia. The small asteroid exploded at a height of about 30 km, generating a bright, hot explosion with a gas cloud, as well as a large shock wave that broke windows and knocked down parts of buildings and structures.
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