A 100-pound person on Earth would weigh 38 pounds on Mars.
102
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
Venus is the only planet that rotates clockwise.
310
The earth rotates more slowly on its axis in March than in September.
145
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
It would take more than 150 years to drive a car to the sun.
569