One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
If two pieces of metal touch in space, they become permanently stuck together.
808
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
Summer on Uranus lasts for 21 years.
358
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
Astronauts get taller when they are in space.
224