It 'snows' metal on Venus.
13
41% of the moon is not visible from earth at any time.
103
Some asteroids have other asteroids orbiting them.
131
Lightning strikes about 6,000 times per minute on this planet!
158
Astronauts get taller when they are in space.
224
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Jupiter is bigger than all the other planets combined.
254
The earth travels through space at 660,000 miles per hour.
189