> Planetary rings may be one of space’s many spectacles, but in our solar system, they’re a dime a dozen. While Saturn’s rings are the brightest and most extens

> Planetary rings may be one of space’s many spectacles, but in our solar system, they’re a dime a dozen. While Saturn’s rings are the brightest and most extensive, Jupiter and Uranus and Neptune have them, too,likely the dwindling remains of shredded asteroids or comets. Reading "The Ring Makers of Saturn", Dr. Bergrun suggests something very different.