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
Only 55% of Americans know that the sun is a star.
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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
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
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
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
Astronauts get taller when they are in space.
224