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
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
There are two golf balls sitting on the moon.
721
Some asteroids have other asteroids orbiting them.
131
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Summer on Uranus lasts for 21 years.
358
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18