Better understanding the formation of swirling, ring-shaped disturbances -- known ... compared it to trying to squish an orange with your hands, how juice would leak out between your fingers.

The new ring is twice as far from Quaoar as researchers had thought was allowed by physics. As such, it requires a rewrite of our understanding of the formation of planetary rings and the physics ...

So this really challenges our ring formation theories," study co-author Vik Dhillon, a professor of physics and astronomy at the University of Sheffield in England, told Live Science. "It was ...