American space agency NASA on Friday said that MOXIE, an oxygen-producing instrument on Perseverance Mars Rover has successfully completed its Mars mission.
"The tech demo successfully tested converting Martian CO2 into oxygen, which could help pave the way for future human missions to Mars," NASA said in a post on X (formerly Twitter).
MOXIE, an oxygen-producing instrument on @NASAPersevere, has successfully completed its Mars mission. The tech demo successfully tested converting Martian CO2 into oxygen, which could help pave the way for future human missions to Mars.
Learn more: https://t.co/pw5Fud4e4G pic.twitter.com/fPIEnXVUIySeptember 7, 2023Advertisement✅ It's mission accomplished for my MOXIE instrument!
September 7, 2023
I brought this device to test making oxygen from Mars' CO2 atmosphere, and it worked great. This tech could pave the way for future explorers to make their own rocket fuel and breathable air. 🚀
More: https://t.co/BR2GqQtWDs pic.twitter.com/okFg8YyUvyIn a statement, NASA said that when the first astronauts land on Mars, they may have the descendants of a microwave-oven-size device to thank for the air they breathe and the rocket propellant that gets them home.
Advertisement"That device, called MOXIE (Mars Oxygen In-Situ Resource Utilization Experiment), has generated oxygen for the 16th and final time aboard NASA's Perseverance rover," NASA said.
After the instrument proved far more successful than its creators at the Massachusetts Institute of Technology (MIT) expected, its operations are concluding, the statement added.
“MOXIE's impressive performance shows that it is feasible to extract oxygen from Mars' atmosphere – oxygen that could help supply breathable air or rocket propellant to future astronauts,” said NASA Deputy Administrator Pam Melroy.
Advertisement“Developing technologies that let us use resources on the Moon and Mars is critical to build a long-term lunar presence, create a robust lunar economy, and allow us to support an initial human exploration campaign to Mars," he added.
NASA said that since Perseverance landed on Mars in 2021, MOXIE has generated a total of 122 grams of oxygen – about what a small dog breathes in 10 hours.
At its most efficient, MOXIE was able to produce 12 grams of oxygen an hour – twice as much as NASA's original goals for the instrument – at 98% purity or better.
On its 16th run, on August 7, the instrument made 9.8 grams of oxygen. MOXIE successfully completed all of its technical requirements and was operated at a variety of conditions throughout a full Mars year, allowing the instrument's developers to learn a great deal about the technology.
Advertisement“We're proud to have supported a breakthrough technology like MOXIE that could turn local resources into useful products for future exploration missions,” said Trudy Kortes, director of technology demonstrations, Space Technology Mission Directorate (STMD) at NASA Headquarters in Washington, which funds the MOXIE demonstration.
“By proving this technology in real-world conditions, we've come one step closer to a future in which astronauts ‘live off the land' on the Red Planet.”
MOXIE produces molecular oxygen through an electrochemical process that separates one oxygen atom from each molecule of carbon dioxide pumped in from Mars' thin atmosphere. As these gases flow through the system, they're analyzed to check the purity and quantity of the oxygen produced.
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