Venus is the only planet that rotates clockwise.
310
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 international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
The population of the Earth has more than doubled since 1950.
151
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
The light hitting the earth right now is 30 thousand years old.
163