An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Lightning strikes about 6,000 times per minute on this planet!
158
Astronauts get taller when they are in space.
224
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
Summer on Uranus lasts for 21 years.
358
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10