It 'snows' metal on Venus.
13
The population of the Earth has more than doubled since 1950.
151
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
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 lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
Pluto is smaller than Russia.
9
More than 20 million meteoroids enter Earth's atmosphere every day.
139