Astronaut simultaneously drops hammer and feather to test gravity theory on the moon
Which falls faster - a bowling ball or a feather? You'll be surprised at the answer - Mirror Online
Dropping Objects in World's Largest Vacuum Chamber | WIRED
COOL SCIENCE: Bowling ball and feathers dropped in a vacuum chamber in slow-motion - ABC11 Raleigh-Durham
3.5 Free Fall | University Physics Volume 1
The Apollo 15 Hammer and Feather Drop on the moon (1971) | The Kid Should See This
Feathers and Bowling Balls Act Strangely in a Vacuum | Latest Science News and Articles | Discovery
Analyzing the Apollo 15 Feather and Hammer Drop - A Basic, Introductory Free-Fall Problem - YouTube
Will the feather fall at the same speed as the iron ball without air? Experiment in the world's largest vacuum chamber - GIGAZINE
TIL that on Apollo 15, a hammer and a feather were dropped on the surface of the moon to illustrate how objects of different weight fall at an equal rate without air
Hammer and feather drop on moon - YouTube
Which falls faster - a feather or a hammer? - BBC Teach
The Physics Classroom Website
Brian Cox visits the world's biggest vacuum | Human Universe - BBC - YouTube
Which is Quicker: Bowling Ball or a Feather!? | BBC Earth
The Apollo 15 Hammer-Feather Drop - Moon: NASA Science
The Greatest Physics Demo of All Time Happened on the Moon | WIRED