The earth travels through space at 660,000 miles per hour.
189
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Jupiter is bigger than all the other planets combined.
254
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
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
The heart of an astronaut actually gets smaller when in outer space.
216
Lightning strikes about 6,000 times per minute on this planet!
158