Article

Gamma-ray/neutron spectroscopy from the Mars observer

02/1987;
Source: NTRS

ABSTRACT The Gamma-Ray Spectrometer (GRS) experiment on Mars Observer will measure gamma rays and neutrons that escape from Mars. The intensities of gamma-ray lines and of the thermal and epithermal neutrons can be used to study many problems related to Martian volcanism and volatiles. The results of theoretical calculations for the production and transport of gamma rays and neutrons indicate that the GRS should be able to determine the abundances of many elements and the amounts and stratigraphy of H2O and CO2 on and in the top meter of the Martian surface. Design considerations of the GRS are discussed.

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Keywords

Design considerations
 
elements
 
epithermal neutrons
 
gamma rays
 
gamma-ray lines
 
Gamma-Ray Spectrometer
 
intensities
 
Martian surface
 
Martian volcanism
 
neutrons
 
theoretical calculations
 
top meter