There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Astronauts get taller when they are in space.
224
There are two golf balls sitting on the moon.
721
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
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