The heart of an astronaut actually gets smaller when in outer space.
216
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Venus is the only planet that rotates clockwise.
310
Earth is the only planet in our solar system that's not named after a god or goddess.
17
A comet's tail always points away from the sun.
2
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121