A comet's tail always points away from the sun.
2
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
18
Sound doesn't travel in space.
255
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
It 'snows' metal on Venus.
13