The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Pluto is smaller than Russia.
9
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88