If two pieces of metal touch in space, they become permanently stuck together.
808
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
There are two golf balls sitting on the moon.
721
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Lightning strikes about 6,000 times per minute on this planet!
158
The earth travels through space at 660,000 miles per hour.
189
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
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277