The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
Sound doesn't travel in space.
255
Earth is the only planet in our solar system that's not named after a god or goddess.
17
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
The sun is 330,330 times larger than the earth!
190
