If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
There are two golf balls sitting on the moon.
721
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
Venus is the only planet that rotates clockwise.
310
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9