Jupiter's moon Ganymede, is larger than the planet Mercury!
149
More than 20 million meteoroids enter Earth's atmosphere every day.
139
Today's top fuel dragsters take off with more force than the space shuttle.
120
Venus is the only planet that rotates clockwise.
310
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
There are two golf balls sitting on the moon.
721
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Astronauts get taller when they are in space.
224