Spectrometer (GRS) is developed for
global exploration of elementary composition of Mars surface and searching
for subsurface water ice by methods of gamma ray and neutron spectroscopy.
is a re-designed version of the Mars
gamma-ray spectrometer. It is the last instrument of the Mars Observer
mission to be flown to Mars. At early 2002, eight years after the first
attempt, GRS will start the global scanning of Mars.
GRS equipment includes:
Spectrometer itself (GRS) with cooled detector of highly purified
germanium developed in the Lunar and Planetary Laboratory of the
University of Arizona (Tucson,
Arizona, USA). Dr.
William Boynton is Team Leader of this experiment and of all GRS
Spectrometer (NS) for detection of thermal and epithermal neutrons,
developed in Los Alamos National Laboratory (Los Alamos, New
Mexico, USA). Dr. William Feldman
is Team Leader of this experiment.
Energy Neutron Detector (HEND) for detection of epithermal,
resonance and fast neutrons, developed in Space Research Institute
(Moscow, Russia). Dr. Igor
Mitrofanov is Principal Investigator of this experiment.
main characteristics of GRS are presented in Table
full description of GRS is on site http://grs.lpl.arizona.edu/