Summer on Uranus lasts for 21 years.
358
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
It would take more than 150 years to drive a car to the sun.
569
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
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