Astronauts get taller when they are in space.
224
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
There are two golf balls sitting on the moon.
721
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
The sun is 330,330 times larger than the earth!
190
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127