IF A scientist claimed they’d discovered how the UFOs around Saturn got there, you might question their credentials. Unless, of course, they were talking about two of the planet’s moons, which are shaped like flying saucers.
Two of Saturn’s small moons, Pan and Atlas, have a ridge several kilometres high running along their equators, making them much wider than they are tall. Now researchers led by Sébastien Charnoz of Denis Diderot University in Paris, France, have run simulations suggesting that these ridges are made of material swept up from Saturn’s rings.
Particles would have gradually accumulated on the ridges…
