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
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
The Earth gets 100 tons heavier every day due to falling space dust.
673
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
The population of the Earth has more than doubled since 1950.
151
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
It takes eight and a half minutes for light to get from the sun to earth.
159
It would take more than 150 years to drive a car to the sun.
569