The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
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
Buzz Aldrin’s mother’s maiden name was Moon.
9
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
Summer on Uranus lasts for 21 years.
358
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
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
Sound doesn't travel in space.
255