Astronauts get taller when they are in space.
224
Summer on Uranus lasts for 21 years.
358
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
The earth travels through space at 660,000 miles per hour.
189
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
It 'snows' metal on Venus.
13
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16