A reader points me to this unusual story of a near-miss in the sky: Skydiver nearly struck by meteorite – NRK/Viten

[ Update Apr.8: Phil Plait now think it was just a rock bound up inside the parachute of the other skydiver : Skydiving meteorite: It was a rock. - Bad Astronomy/Slate.com. ]

Update Apr.22.14: Analysis with software designed to study ballistic debris indicates that it was in fact just a rock falling out of the chute: Forensic Ballistics: How Apollo 12 Helped Solve the Skydiver Meteorite Mystery - The Planetary Society