Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Sound doesn't travel in space.
255
The light hitting the earth right now is 30 thousand years old.
163
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
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
There are two golf balls sitting on the moon.
721