The light hitting the earth right now is 30 thousand years old.
163
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Astronauts get taller when they are in space.
224
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7