If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Lightning strikes about 6,000 times per minute on this planet!
158
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
Some asteroids have other asteroids orbiting them.
131
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12