The earth travels through space at 660,000 miles per hour.
189
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
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
Pluto is smaller than Russia.
9
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The earth rotates more slowly on its axis in March than in September.
145
Venus is the only planet that rotates clockwise.
310