Jupiter's moon Ganymede, is larger than the planet Mercury!
149
The light hitting the earth right now is 30 thousand years old.
163
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The heart of an astronaut actually gets smaller when in outer space.
216
Mars had an oxygen-rich atmosphere around 4 billion years ago
13