Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
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
If two pieces of metal touch in space, they become permanently stuck together.
808
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
If NASA sent birds into space they would soon die; they need gravity to swallow.
146