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
The population of the Earth has more than doubled since 1950.
151
Only 55% of Americans know that the sun is a star.
986
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
The earth travels through space at 660,000 miles per hour.
189
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
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