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
Only 55% of Americans know that the sun is a star.
986
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
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
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
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
Astronauts cannot burp in space.
232