UT: Canada to Build Worlds' First Asteroid-Hunting Satellite

Just yesterday (June 30th) was the 100-year anniversary of the Tunguska event, when a small piece of ice or rock created a huge blast crater near the Podkammenaya Tungus river in Siberia, flattening trees and scaring the heck out of people in the surrounding area. Thankfully, the blast didn't happen in a populated area and nobody was killed, but there are many more pieces of debris floating around out there in space. If we want to do something about an asteroid headed our way, or keep astronauts safe from space debris, knowing is half the battle. Thanks to a new microsatellite being built by the Canadian Space Agency, we will soon have a better map of the objects surrounding the Earth's orbit. More...