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
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
NASA invented baby food as we know it today.
7
From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
22
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82