Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Astronauts get taller when they are in space.
224
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
Astronauts cannot burp in space.
232
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7