Pluto is smaller than Russia.
9
The heart of an astronaut actually gets smaller when in outer space.
216
Astronauts cannot burp in space.
232
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Astronauts get taller when they are in space.
224
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
The light hitting the earth right now is 30 thousand years old.
163