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
Today's top fuel dragsters take off with more force than the space shuttle.
120
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Pluto is smaller than Russia.
9
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Astronauts cannot burp in space.
232
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
The earth travels through space at 660,000 miles per hour.
189