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
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
Sound doesn't travel in space.
255
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115