Astronauts get taller when they are in space.
224
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
If two pieces of metal touch in space, they become permanently stuck together.
808
It takes eight and a half minutes for light to get from the sun to earth.
159
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100