These dense lumps of rock bump out from the ellipsoid and their mass gravitationally attracts oceans, while valleys in the ocean floor have less mass and the oceans flow away, shallower.

这些稠密的岩石块从椭球体中碰撞出来，它们的质量在引力作用下吸引着海洋，而海床上的峡谷质量较小，上方的海水也因此流走。