All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
Astronauts get taller when they are in space.
224
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Jupiter is bigger than all the other planets combined.
254