Shields against mountains

An hour and nineteen minutes later, when Tenn fired the third beam that blew the charred and burned-out cinder apart, shattering it into billions of pieces, it seemed almost pointless. Everybody and everything on it had already been roasted, scalded, or drowned. The system's gravity twisted as the planetary well ceased to exist. Shield sensors quietly recorded the thousands of fragments, from the size of pebbles to that of mountains, deflected from the station.

***

Star Wars: Death Star Part 2 Chapter 56