Slide #11: Mars Observer Spacecraft and Instruments.

The Mars Observer spacecraft carried seven science instruments, 
highlighted here.  The Thermal Emission Spectrometer (TES) maps 
surface mineralogy, surface temperature, and observes atmopheric clouds 
and dust.  The Mars Observer Camera (MOC) provides photographs, 
most of which could detect objects as small as a few meters.  The 
Gamma Ray Spectrometer (GRS) determines the chemical composition 
of the martian soil and can detect water ice buried to depths of 
1 meter.  The Mars Observer Laser Altimeter (MOLA) measures 
topography.  The Pressure Modulator Infrared Radiometer (PMIRR) 
obtains profiles of atmospheric pressure, temperature, and cloud 
structure.  The Magnetometer/electron reflectometer (MAG) measures 
magnetic fields, the Radio Science (RS) experiment profiles the 
structure of the atmosphere and measures gravity fields, and the 
Mars Balloon Relay (MBR) is an antenna to relay data from spacecraft 
from Russia that were to land on Mars during the Mars Observer 
mission.

Figure courtesy NASA and the Jet Propulsion Laboratory.

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