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File:Hammer n feather, Apollo 15.gif - Wikimedia Commons
Apollo 15 Hammer-Feather Drop
Massimo on Twitter: "Dave Scott performed one of the most legendary experiments: the galilean 'hammer & feather' held on the Moon, 50 years ago #Today https://t.co/hIniYxpVvQ #Apollo15 #Apollo50 https://t.co/kBjG35GFtC" / Twitter
The Hammer-Feather Drop in the world's biggest vacuum chamber | The Kid Should See This