The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
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
Mars had an oxygen-rich atmosphere around 4 billion years ago
13