There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
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
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Pluto is smaller than Russia.
9
Lightning strikes about 6,000 times per minute on this planet!
158
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121