Only 55% of Americans know that the sun is a star.
986
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
The heart of an astronaut actually gets smaller when in outer space.
216
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
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
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
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15