Benson's image also captures the two extremes of size for planet-like bodies. Saturn's satellite Mimas is the smallest known planetary-mass object: a body large enough to have become rounded under the ...

asteroids and moons that were torn apart by Saturn’s gravity. So for Saturn in particular, irregular moons can tell us more about the formation of its beautiful rings. Names of astronomical ...

A new photo taken by a spacecraft near Saturn shows a small moon making waves ... "The little moon's gravity raises waves in the edges of the gap in both the horizontal and vertical directions ...