If two pieces of metal touch in space, they become permanently stuck together.
808
Pluto is smaller than Russia.
9
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
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88