In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Some asteroids have other asteroids orbiting them.
131
Astronauts cannot burp in space.
232
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
If two pieces of metal touch in space, they become permanently stuck together.
808
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Summer on Uranus lasts for 21 years.
358