In 1971, astronaut David Scott conducted Galileo's famous hammer/feather drop experiment on the moon, during the Apollo 15 mission. Galileo had concluded that all objects, regardless of mass, fall at the same speed -- however, the resistance caused by the air (as in the case of the feather in Earth's atmosphere) can cause the feather to drop slower. Well, on the moon there is no atmosphere (a vacuum), so the objects should drop at the same speed. Follow us: @astro.voyagers 🛸 . •. 🌎 ° .• 🌓 • .
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Aug. 2, 1971: At the end of the last Apollo 15 moon walk, Commander David Scott held out a geologic hammer and a feather and dropped them. They fall at the same time because they were essentially in vacuum and there was no air resistance, as Galileo had concluded hundreds of years before. This was the authentic proof of the fact discovered by Galileo that acceleration is independent from the mass of the falling object . #nasa #astronomy #astrophotography #space #history science universe moon spa
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The Apollo 15 Hammer-Feather Drop - NASA Science
The Apollo 15 Hammer-Feather Drop - NASA Science
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The Apollo 15 Hammer-Feather Drop - NASA Science
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On Apollo 15, David Scott dropped a hammer and a falcon feather on the Moon. With no air to slow the feather, both hit the ground together, proving that in a vacuum gravity pulls all masses with the same acceleration. Follow @spaceeves #Apollo15 #MoonLanding #Physics #SpaceEves | SpaceEve
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On July 31, 1971, Apollo 15 astronauts drove on the moon for the first time. Space History Archives👉 https://space-com.visitlink.me/8HuoeR David Scott, the commander of Apollo 15, and James Irwin, the lunar module pilot explored the moon for three days by driving around in the lunar roving vehicle. This moon buggy was folded up and stowed inside the lunar module and deployed after landing. Unpacked, it measured about 10 feet long, 7 feet wide and 45 inches high. It could travel up to 8.6 miles
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