Astronaut shows what happens when you drop a hammer and feather at the same time on the moon

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Astronaut David Scott re-created, in 1971 during the Apollo 15 mission, Galileo's "falling bodies" experiment by dropping a hammer and feather on the moon at the same time. Simply, both fell at the same rate because there was no air resistance.

screengrab via Wonders of Physics/YouTube

(Digg)