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
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
It would take more than 150 years to drive a car to the sun.
569
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
The light hitting the earth right now is 30 thousand years old.
163