There are two golf balls sitting on the moon.
721
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
Lightning strikes about 6,000 times per minute on this planet!
158
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The population of the Earth has more than doubled since 1950.
151
Astronauts get taller when they are in space.
224
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9