Earth Safe from Ultra-close Asteroid Flyby Today

March 19, 2004 | Source: Space.com

A 100 feet asteroid passed closer to Earth than ever recorded: just 26,500 miles away. An object of this size, where it to take direct aim, would likely break apart or explode in the atmosphere, astronomers say. The result could cause local damage. Something just slightly larger could survive to the surface and destroy a city.