The population of the Earth has more than doubled since 1950.
151
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
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
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
Lightning strikes about 6,000 times per minute on this planet!
158