The heart of an astronaut actually gets smaller when in outer space.
216
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
There are two golf balls sitting on the moon.
721
It takes eight and a half minutes for light to get from the sun to earth.
159
Lightning strikes about 6,000 times per minute on this planet!
158
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
The earth is .02 degrees hotter during a full moon.
157
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219