Space junk roulette: What are the odds of being hit?

This is probably a little alarmist, and more op-ed than science article, but the bottom line is absolutely true - space debris is a problem.

In other words, the safety of people on the ground is a gamble the industry takes that debris from derelict or out-of-control spacecraft will simply fall somewhere other than your head. And those odds are only going to get worse as more and more satellites, both commercial and military, are sent into space.