Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Astronauts get taller when they are in space.
224
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100