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1 vote

Methane internal combustion engines for rovers on Mars and Moon. Feasibility?

From 2012, ULA worked on an internal combustion engine for use in space. This was to be part of the Vulcan upper stage. ULA called this Integrated Vehicle Fluids. It used hydrogen instead of methane, ...
Hobbes's user avatar
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2 votes

Does the atmospheric pressure of Mars fluctuate because of the seasonal evaporation of the polar ice caps?

More a comment to the answer above, than an answer on its own: the referenced web page provides the raw data of the diagram as a tab separated ASCII: ...
Buttonwood's user avatar
25 votes

Does the atmospheric pressure of Mars fluctuate because of the seasonal evaporation of the polar ice caps?

According to https://marsed.asu.edu/mep/atmosphere The deep cold southern polar winter removes CO2 gas from the atmosphere by freezing it directly onto the south polar cap. As temperatures drop below ...
Alan Birtles's user avatar
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33 votes

Why are the Martian poles not covered by dust?

Well, from these pictures, I think you can see that there is in fact a visible ice sheet at the poles, and you can see that global dust storms do in fact kick dust over the poles. Dust that blows into ...
Darth Pseudonym's user avatar

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