Sound doesn't travel in space.
255
Lightning strikes about 6,000 times per minute on this planet!
158
Only 55% of Americans know that the sun is a star.
986
Buzz Aldrin’s mother’s maiden name was Moon.
9
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
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
Pluto is smaller than Russia.
9
41% of the moon is not visible from earth at any time.
103