The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
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
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
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 Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4