Saturn has a hexagon-shaped storm at its north pole.
Why it is true
At Saturn's north pole there is a hexagon-shaped jet stream about 30,000 kilometres wide. The phenomenon was first observed by Voyager and confirmed by Cassini. The shape has remained stable for decades.
Source: NASA
Would you rather be asked first?
This is the reading side of the site, so the answer is in the sentence above — that is the whole point of it. Test yourself works the other way round: the question comes on its own, and the fact and the explanation only appear once you have answered.
Related facts
Titan, a moon of Saturn, is the only moon in the Solar System with a thick atmosphere.
Mimas, a moon of Saturn, has a crater so big that it looks like the Death Star from Star Wars.
Saturn would float in water if there were a bathtub large enough.
A solar flare equals a billion hydrogen bombs.
