Galilee Complete Spherical Cap 1vd geodetic

Gravity data measure small changes in gravity due to changes in the density of rocks beneath the Earth's surface. The data are collected on geophysical surveys conducted by Commonwealth, State & NT Governments and the private sector.重力数据（Gravity data）用于测量地球地表下方岩石密度变化所引发的微小重力变动。此类数据采集自英联邦、各州及北领地政府与私营机构开展的地球物理勘测工作。