The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
There are two golf balls sitting on the moon.
721
Sound doesn't travel in space.
255
A comet's tail always points away from the sun.
2
Pluto is smaller than Russia.
9
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221