Venus is the only planet that rotates clockwise.
310
The earth travels through space at 660,000 miles per hour.
189
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
The light hitting the earth right now is 30 thousand years old.
163
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
41% of the moon is not visible from earth at any time.
103