Lightning strikes about 6,000 times per minute on this planet!
158
41% of the moon is not visible from earth at any time.
103
Some asteroids have other asteroids orbiting them.
131
The heart of an astronaut actually gets smaller when in outer space.
216
The light hitting the earth right now is 30 thousand years old.
163
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
Astronauts get taller when they are in space.
224
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175