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Technology Demonstration Missions

Mars Oxygen ISRU Experiment (STMD) (MOXIE)

Completed Technology Project
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Project Description

Photograph of members of NASA's Mars 2020 project installing the Mars Oxygen In-Situ Resource Utilization Experiment (MOXIE) into the chassis of NASA's next Mars rover. Image credit: NASA/JPL-Caltech

MOXIE is a payload on the Mars 2020 rover developed to demonstrate In-Situ Resource Utilization (ISRU) technologies to enable propellant and consumable oxygen production from the Martian environment. Additionally MOXIE will provide insight into the atmospheric dust characteristics to understand its effects on the operation of surface systems. MOXIE collects CO2 from the Martian atmosphere and electrochemically splits the CO2 molecules into O2 and CO. The O2 is then analyzed for purity before being vented back out to the Mars atmosphere along with the CO and other exhaust products.

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