It would take more than 150 years to drive a car to the sun.
569
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
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.
11
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Jupiter is bigger than all the other planets combined.
254
Pluto is smaller than Russia.
9
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7