Space Junk: NASA Can't Predict Re-Entry With Certainty - ABC News

Space Junk: NASA Can't Predict Re-Entry With Certainty - ABC News:

"...according to Nicholas Johnson, NASA's chief orbital debris scientist, any one person's chances of getting hit by debris are tiny -- something like 1 in 21 trillion. The chances that of the 7 billion people on Earth, one of them, somewhere, could be hit are more like 1 in 3,200."

well assuming uniformly distributed people. LOL..