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In the late 1500s, Florentine astronomer, physicist, and engineer Galileo Galilei theorized that mass does not affect gravitational pull, contradicting Aristotle. Galilei believed that all things fall at the same rate, regardless of how heavy they are. In the summer of 1971, after more than three and a half centuries and 239,000 miles away from Italy, NASA astronaut Dave Scott held a aluminum geological hammer in one hand and a one-ounce falcon feather 44 times lighter in the other. Scott and the Apollo 15 team, the fourth mission to land on the Moon, were determined to test Galileo’s theory and did it before a live television audience from all over the world. As the astronaut finally dropped both objects, the almost 400-year-old hypothesis was finally settled. --- Dark Footage showcases the most unbelievable photos and videos from history while telling the stories behind the camera. Featuring military, space, aircraft and real-life historic events caught on tape.
