Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
The population of the Earth has more than doubled since 1950.
151
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
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
Only 55% of Americans know that the sun is a star.
986
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131