Only 55% of Americans know that the sun is a star.
986
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
More than 20 million meteoroids enter Earth's atmosphere every day.
139
Venus is the only planet that rotates clockwise.
310
Lightning strikes about 6,000 times per minute on this planet!
158
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194