View Full Version : Mitigating Asteroid Threats Will Take Global Action

2010-Oct-29, 08:50 PM
During the past 24 hours, the Earth has been hit by about a million small meteoroids most of which burned up in the atmosphere as shooting stars. This happens every day. And occasionally once every 10,000 years or so — a really big asteroid (500 meters in diameter or larger) comes along and [...]

More... (http://www.universetoday.com/76994/mitigating-asteroid-threats-will-take-global-action/)