Table 1

Summary of the instruments on Lunar Prospector.

ExperimentObjective
Gamma ray spectrometer (GRS) (6)Global maps of concentrations of Fe, Ti, K, Th, and other elements on the lunar surface
Neutron spectrometer (NS) (7–9)Global maps of concentrations of H, Fe, Ti, Ca, Al, and other elements on the lunar surface
Magnetometer/electron reflectometer (MAG/ER) (10)Global maps of low-intensity magnetic fields on the lunar surface
Alpha particle spectrometer (APS)Detection of released gases from the lunar surface
Doppler gravity experiment (DGE) (11)Doppler tracking of the spacecraft to derive the gravity field map of the moon