There are two golf balls sitting on the moon.
721
Buzz Aldrin’s mother’s maiden name was Moon.
9
The heart of an astronaut actually gets smaller when in outer space.
216
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
A comet's tail always points away from the sun.
2