The heart of an astronaut actually gets smaller when in outer space.
216
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
It 'snows' metal on Venus.
13
It would take more than 150 years to drive a car to the sun.
569
The population of the Earth has more than doubled since 1950.
151
Sound doesn't travel in space.
255