All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Only 55% of Americans know that the sun is a star.
986
The population of the Earth has more than doubled since 1950.
151
There are two golf balls sitting on the moon.
721
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
If two pieces of metal touch in space, they become permanently stuck together.
808
More than 20 million meteoroids enter Earth's atmosphere every day.
139