A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
More than 20 million meteoroids enter Earth's atmosphere every day.
139
Summer on Uranus lasts for 21 years.
358
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Earth is the only planet in our solar system that's not named after a god or goddess.
17
Today's top fuel dragsters take off with more force than the space shuttle.
120
Some asteroids have other asteroids orbiting them.
131