The Earth gets 100 tons heavier every day due to falling space dust.
673
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
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
A comet's tail always points away from the sun.
2
Only 55% of Americans know that the sun is a star.
986
Astronauts cannot burp in space.
232