Godwin and Cole
Mission Objectives To determine the composition and geology of the planet’s surface To detect evidence for water and ice Study radiation environment
Mission Timeline Launched April 7 th, 2001, arriving October 24 th Mapping started in February 2002 and ongoing Served as communication relay for Spirit and Opportunity
Instruments Thermal Emission Imaging System Infrared imaging The Gamma Ray Spectrometer Detect high energy neutrons The Mars Radiation Environment Experiment Radiation Spectrometer Not working due to solar bombardment
Mission Results
Discoveries Thermal dark spots at polar ice cap CO2 gas jets Salt deposits on surface Provide further evidence for water Overall global imaging Showed water-carved channels Mapped mineral concentrations Discovered dacite Provided evidence for lava