The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Pluto is smaller than Russia.
9
The heart of an astronaut actually gets smaller when in outer space.
216
It would take more than 150 years to drive a car to the sun.
569
Astronauts cannot burp in space.
232
Some asteroids have other asteroids orbiting them.
131
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4