Life on Mars could exist miles beneath the surface

04 Décembre, 2020, 18:56 | Auteur: Therese Cote
  • Most habitable region for life would have been several miles below Martian surface: Scientists

He also indicates that it could be used equally for both the further explorations of Mars or finding an alternative source of fuel and oxygen making processes on Earth.

They showed that the conditions needed for subsurface melting would have been ubiquitous on ancient Mars. Although the days of flowing surface water are long gone, the red planet is not entirely without the raw ingredients to make this work, ArsTechnica reported.

NASA had formerly launched their own Mars Oxygen In-Situ Resource Utilization Experiment with the 2020 Mars Rover in July.

This device can produce 25 times more oxygen than NASA's Mars Oxygen In-Situ Resource Utilization Experiment (MOXIE), which is now used by the Perseverance rover that's now on its way to Mars. In fact, it wasn't even created with Mars water focus but they simply wanted to convert brine into fuel and oxygen.

A new study, led by Braille Cayenne at the University of Washington in Missouri, Missouri, is testing a device that can tap into a different resource - perchlorate salt, believed to be present in some places on Mars.

However, if oxygen and hydrogen could be extracted directly from salty water, that salt electrolysis process would be a lot less complicated-and not so costly as well.

Perchlorate (ClO4) Salts, as we have found, are common on Mars. These salts have an affinity for water molecules and can collect water vapor over time, turning into a brine with a very low freezing temperature.

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Melting of thick ice sheets billions of years ago could have made the most habitable region of Mars be several miles beneath the surface, scientists have claimed.

Headed by Vijay Ramani, the Roma B. and Raymond H. Wittcoff Distinguished University Professor in the Department of Energy, Environmental and Chemical Engineering, the team did not just validate its brine electrolysis system under standard terrestrial conditions; the system was studied under a simulated Martian atmosphere at -33 °F (-36 °C).

Our novel brine electrolyzer incorporates a lead ruthenate pyrochlore anode developed by our team in conjunction with a platinum on carbon cathode. But Martian water may not be pure, because Martian soils are known to have a lot of perchlorate. The whole thing was kept at -36°C (-33°F).

Ramini's produces hydrogen and oxygen.

For instance, for living on Mars and returning to Earth, astronauts would need to manufacture some of the necessities, including water and fuel and this research could be very useful for such a goal. Researchers say it is smaller and lighter than MOXIE. Ultimately, all this just illustrates that MOXIE is working with a lower quality-but more widely accessible-resource in atmospheric Carbon dioxide instead of water.

Such a device should go for a long-term pressure test, of course, to ensure that performance does not decrease over time, it is usually strong.



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