All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Summer on Uranus lasts for 21 years.
358
Today's top fuel dragsters take off with more force than the space shuttle.
120
It 'snows' metal on Venus.
13
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
Jupiter's moon Ganymede, is larger than the planet Mercury!
149