The earth rotates more slowly on its axis in March than in September.
145
41% of the moon is not visible from earth at any time.
103
A comet's tail always points away from the sun.
2
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
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10