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On Sun, 5 Oct 1997, John Mallinckrodt wrote:
"travel completely around the Moon and reach the astronaut at a point 10.0
cm below its initial height."
So the moon must have an atmosphere? If perfect vacuum, wouldn't the
bullet be in orbit, and therefor NOT fall 10cm after a single orbit?
Here's a gem from the "How to mess with student's minds" file: