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From Science 2.0:
Imagine being the project scientist for a NASA experiment and getting an email telling you that a 3,100 lb. defunct spy satellite dating back to the Cold War might crash into your baby?
That's what happened to Julie McEnery of NASA's Fermi Gamma-ray Space Telescope, which maps the highest-energy light in the universe, a year ago. When she checked her email on March 29th, 2012, she had an automatically generated report from NASA's Robotic Conjunction Assessment Risk Analysis (CARA) saying that in about a week Fermi might be hit by Cosmos 1805.
Read the whole article and watch the video
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Re: Orbital Traffic Control: How NASA Tracks 17,000 Objects Above Earth To Prevent Collisions
