The heart of an astronaut actually gets smaller when in outer space.
216
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
Astronauts get taller when they are in space.
224
Jupiter is bigger than all the other planets combined.
254
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
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115