Space Junk Threatens Future Missions

Written by Nancy Atkinson
The U.S. Air Force began upgrading its ability to predict possible collisions in space after two satellites collided in February 2009, and has now done a collision analysis on over 800 maneuverable satellites. They hope to be able to track 500 more non-maneuvering satellites by year’s end.
But maneuverable satellites aren’t the problem. [...]

Full story at http://spacefellowship.com/2009/11/04/space-junk-threatens-future-missions/