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
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Only 55% of Americans know that the sun is a star.
986
Some asteroids have other asteroids orbiting them.
131
Today's top fuel dragsters take off with more force than the space shuttle.
120
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221