Astronauts get taller when they are in space.
224
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Pluto is smaller than Russia.
9
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Earth is the only planet in our solar system that's not named after a god or goddess.
17
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88