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3 votes
2 answers
225 views

Will MOXIE get clogged or chemically degraded by martian dust?

MIXIE, the Mars Oxygen ISRU Experiment is an experiment on the Perseverance rover currently on its way to Mars, that will test solid oxide electrolysis as a way to extract oxygen from atmospheric carb …
uhoh's user avatar
  • 151k
2 votes
0 answers
237 views

How much energy would be needed to liquify 1 gram of atmospheric oxygen on Mars?

I've been told I have no Moxie but I still need oxygen to live on Mars. I see that Mars' atmosphere is 0.14% oxygen and my sad moxiless self wants some. I want to make a low power refrigerator to liq …
uhoh's user avatar
  • 151k
5 votes
1 answer
334 views

How many square meters of solar panel to power a MOXIE-like oxygen source per person?

If I wanted to live in a box on Mars to write my screenplay about living in a box on Mars, how many square meters of solar panels would I need to power a MOXIE-like CO2-to-O2 converter in order to bre …
uhoh's user avatar
  • 151k
3 votes
0 answers
143 views

Closed oxygen cycle methane-burning internal combustion engine for Titan rover/helicopter? W...

@TildalWave's answer to Methane internal combustion engines for rovers on Mars and Moon. Feasibility? raises the possibility of using Titan's atmospheric methane for an energy source as long as you BY …
uhoh's user avatar
  • 151k
3 votes
1 answer
706 views

Are Mars' atmospheric CO₂, O₂ and CO in equilibrium? Are sunlight or chemical reactions invo...

According to the NASA JPL video linked below the top five gases comprising the martian atmosphere include CO₂, O₂ and CO. Do the proportions reflect some chemical equilibrium? Are sunlight or chemical …
uhoh's user avatar
  • 151k
3 votes
1 answer
226 views

How did MOXIE "know" that it produced 5.4 grams of oxygen? Did it measure pressure rise in a...

CNN's Perseverance rover just made oxygen on Mars is great and welcome news! While Ingenuity has been achieving one "first" on Mars Perseverance was quietly achieving yet another. After warming up fo …
uhoh's user avatar
  • 151k
9 votes
1 answer
205 views

Is MOXIE's oxygen ready to breathe or is there CO2 and/or CO that would need to be scrubbed?

MOXIE splits two molecules of martian carbon dioxide into two molecules of carbon monoxide and one molecule of oxygen. Breathing elevated levels of CO2 ranges from unpleasant (to say the least and act …
uhoh's user avatar
  • 151k