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#26 2025-07-27 22:33:39

Void
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Registered: 2011-12-29
Posts: 8,740

Re: hidden-glaciers-mars

https://phys.org/news/2025-07-mars-glac … ously.html
Quote:

Mars glaciers found to be over 80% pure ice, study shows
by Mikayla Mace Kelley, Planetary Science Institute

edited by Gaby Clark, reviewed by Andrew Zinin

Here is one possible low latitude glacier.  Maybe it also has a high ice content: https://scitechdaily.com/stunning-disco … d-on-mars/  Quote:

If so, then Mars may be a more promising planet than has been thought.

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Last edited by Void (2025-07-27 22:39:36)


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#27 2025-07-30 01:48:57

Calliban
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From: Northern England, UK
Registered: 2019-08-18
Posts: 4,150

Re: hidden-glaciers-mars

Interesting.  A thick layer of compact dust would maintain a stable temperature in ice whilst providing a static overpressure.  There may still be ice here.

It should be possible to store large quantities of liquid water on Mars in lightly pressurised underground tanks.  At 4°C, the vapour pressure of water is 8.1mbar.  So it should be stable at Mars ambient temperatures in most locations, if stored in an airtight container.

Last edited by Calliban (2025-07-30 01:52:26)


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#28 2025-07-30 11:03:28

Void
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Registered: 2011-12-29
Posts: 8,740

Re: hidden-glaciers-mars

I would also speculate that robot and human habitats could be carved into extremely slow moving glacier ice.

For robots maybe -10 degC, and then inside of that perhaps room temperatures for humans.

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#29 2025-08-23 11:44:13

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Re: hidden-glaciers-mars

https://www.msn.com/en-us/news/technolo … r-AA1L5g8t  Quote:

The Glaciers On Mars' Surface Might Not Be What We Thought
Story by Nicolae Bochis • 1h •
3 min read

Another affirmation of good (80%) glacier ice in many places on Mars.

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Last edited by Void (2025-08-23 11:45:42)


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#30 Yesterday 07:42:29

Void
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Registered: 2011-12-29
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Re: hidden-glaciers-mars

I like this article; I shows that NASA is coming to accept the finding of evidence of water ice in Candor Chasma.  This would help to indicate that NASA may be processing concept updates based on newfound evidence, and so not being stuck in dogma from the 70's or so.

https://www.msn.com/en-us/news/technolo … r-AA1L7rZD  Quote:

NASA’s Mars Reconnaissance Orbiter Just Revealed the Solar System’s Largest Canyon
Story by Jessica Bennett • 23h •
4 min read

Quote:

Mars’ Ancient Environment: Water, Ice, and Climate Shifts
One of the most significant revelations about Candor Chasma comes from recent studies regarding the presence of water beneath the surface. In 2021, the ExoMars Trace Gas Orbiter, a collaboration between the European Space Agency (ESA) and the Russian space agency, discovered traces of water ice beneath Candor Chasma. This water is thought to be trapped in a permafrost-like state, similar to Earth’s polar regions.

This finding suggests that Mars may have had a more Earth-like climate in the distant past, one where liquid water was stable on the surface. In fact, the presence of water in Candor Chasma could mean that up to 40% of the near-surface material in Valles Marineris might be composed of water. This ice could serve as a valuable resource for future missions to Mars, especially if it can be extracted for use by human explorers. It also opens the possibility that Mars could have once supported life, or at least the conditions necessary for microbial life to thrive.

Despite Mars no longer having plate tectonics like Earth, its crust is still quite dynamic. Faulting and fracturing continue to shape its surface, albeit in a different way from Earth’s plate movements. As the planet cools, cracks form in the crust, leading to the development of features like Candor Chasma. These tectonic processes, though less active than Earth’s, are still powerful enough to affect the landscape, contributing to the erosion and warping of sediment layers within the canyon.

The prior vision that emerged from perhaps more early information about Mars seemed to feel that Mars with the exception of the polar ice caps perhaps was a desert planet.  I suppose it depends on what you consider to be desert.

Anyway, this information indicates that is a Ice Age Glacier planet.

So, two advantages relative to higher latitude locations and one possible disadvantage.

1) Warmer, and yet having water ice.
2) Perhaps equal to or better radiation protection.  The atmosphere is thicker than average, and there are cliffs which may block some radiation.
3) Landing may be a bit tricky though.  Not too bad but a bit harder.

Ending Pending smile

Another factor might be having two warm and cold seasons if you are on the equator.  Between the North and South Summers/Winters would be two warm seasons in one Mars year.  So the duration of time between one warm and one cold season would be somewhat close to an Earth year.

Mars year, about 687 days, so half of that, then is 343.5 days, pretty close to 365.

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Last edited by Void (Yesterday 07:58:12)


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