10
A pendulum clock that is accurate at sea level loses about 16 seconds every day if it is moved to an altitude of 4,000 feet.
Source: people.timezone.com, Image: emi moriya via Flickr
9
The weightless scenes in the movie Apollo 13 were filmed over the course of 612 parabola flights. These are flights where a plane repeatedly climbs and then nose dives to simulate zero gravity
Source: wikipedia, Image: wikipedia
8
On Titan, one of Saturn's moons, the atmosphere is so thick that people could fly by flapping large "wings" with their arms
Source: wikipedia, Image: wikipedia
7
During a nuclear test in the 1950s known as Pascal B, a 2,000 pound steel plate was launched into the atmosphere at 6 times Earth's escape velocity (the speed required to escape Earth's gravity). Although it was never found, scientists have stated that if it didn't burn up in the atmosphere, this would have been the first man made object to leave the Earth.
Source: wikipedia, Image: wikipedia
6
Food doesn't taste the same in space because a lack of gravity causes astronaut's sinuses to clog up
Source: theatlantic.com, Image: pixabay
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