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
In the last 7 years, humanity has discovered 43 potentially habitable planets.
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
Summer on Uranus lasts for 21 years.
358
The population of the Earth has more than doubled since 1950.
151
Pluto is smaller than Russia.
9
The light hitting the earth right now is 30 thousand years old.
163