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23 hours agoFAA changes air safety rule after near miss at Calif. airport
The FAA has changed regulations, requiring air traffic controllers to use radar for separation between helicopters and airplanes to prevent collisions.
In the vacuum of space, the amount of debris-spent rocket stages, splintered satellites, micrometeoroids- numbers in the millions, all zooming about, often at 17,000 mph speeds. They're also constantly hitting each other in a tsuris of exponential littering. Most of these pieces are tiny, and many are not anywhere near the altitude of the ISS. But the area isn't completely clean.