Some asteroids have other asteroids orbiting them.
131
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
The heart of an astronaut actually gets smaller when in outer space.
216
It would take more than 150 years to drive a car to the sun.
569
Lightning strikes about 6,000 times per minute on this planet!
158
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46