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
Astronauts get taller when they are in space.
224
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Buzz Aldrin’s mother’s maiden name was Moon.
9