Martian Astronauts Will Create Fuel by Having a Shower - Universe Today universetoday storybywill
Radar data collected by ESA’s Mars Express point to a pond of liquid water buried under layers of ice and dust in the south polar region of Mars. Credit: ESA
In the process, the system also detoxifies the wastewater used, operating as a water-recycling method. The system is the brainchild of Tekniker telecommunications engineer Dr. Borja Poza and material engineer Dr. Eva Gutierrez. As Poza explained in a recent ESA“We aim to make the first reactor to produce space propellant on Mars using the planet’s air, which is 95% carbon dioxide.
On Mars, liquid water is not readily available, but multiple lines of evidence indicate that subsurface ice exists in many regions. In keeping with the ISRU process, future missions would harvest this ice to provide drinking water, irrigation for plants, sanitation, and manufacture rocket fuel. This is done by breaking down water molecules to produce molecular hydrogen .
When cooled to cryogenic temperatures, these elements become the two ingredients of conventional hydrogen fuel – i.e., liquid hydrogen and liquid oxygen . Hence, the locations of water ice deposits on Mars are a major concern for mission planners and the selection of future landing sites. Around the poles, there are abundant supplies of water concentrated in the ice caps, and layers of subsurface permafrost have been observed at all latitudes.
A vertically exaggerated view of Mars’ north polar cap. Credit: SA/DLR/FU Berlin; NASA MGS MOLA Science Team
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