A comet's tail always points away from the sun.
2
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
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
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