Summer on Uranus lasts for 21 years.
358
It 'snows' metal on Venus.
13
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
It would take more than 150 years to drive a car to the sun.
569
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12