41% of the moon is not visible from earth at any time.
103
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
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
The heart of an astronaut actually gets smaller when in outer space.
216
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
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
Only 55% of Americans know that the sun is a star.
986