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This article presents many of the same out of date arguments as the ones used in the Life on Mars article. See Talk:Life on Mars#Present day habitability of surface of Mars again for the details.
I propose editing this article to remove those statements and to add back in the section on Possibility of enough liquid water to support life which was removed on 9th June 2013 by @ BatteryIncluded: without discussion. This editor was blocked for sock puppetry and abusive language last November. I don't know if he is still blocked or has stopped editing wikipedia voluntarily, but anyway this gives an opportunity to fix this article.
There never was any reason to remove this section. But I couldn't get it restored because of his opposition. The present day habitability of Mars is a major topic at present, and the possibility of surface life there is the subject of numerous papers, press releases, and news reports. It's not proven that there is life there. But it's absurd for the Water on Mars article to not mention this topic. Nevertheless this is one of the subjects of most interest to present day astrobiologists. It's also the reason why we have planetary protection measures in place to protect Mars from Earth life. If there is no objection, I will restore the old section - updated and with new material added and any errors fixed, in a few days time. Robert Walker ( talk) 14:06, 4 February 2017 (UTC)
I am currently working on a draft for a new version of the Habitability section. You can see it here: User:Robertinventor/Water on Mars Habitability. Any comments welcome. I plan to expand all the bullet point habitat types in a similar way to the first two with about a paragraph for each one, and then it will be ready to add. Robert Walker ( talk) 22:10, 1 March 2017 (UTC)
The new entry states: "There is much evidence for an ancient ice sheet in the south pole region". Would not that be the polar ice cap? It may need clarification. Thanks, BatteryIncluded ( talk) 23:50, 23 October 2017 (UTC)
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The first sentence and other portions of this article may need revision in light of https://www.nature.com/articles/s41561-017-0012-5 — Preceding unsigned comment added by 192.31.242.194 ( talk) 23:19, 20 November 2017 (UTC)
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How is it that the lake is at 193º W? I looked at Geography of Mars but could not find any explanation of this apparent deviation from (relatively) spherical bodies having 360 degrees in their two-dimensional surface coordinate systems.
Is Mars four-dimensional, or is there something I'm not understanding that I should be? If the latter, it should be explained in the accompanying text, perhaps, since this section is currently linked from the Main Page. Daniel Case ( talk) 19:49, 26 July 2018 (UTC)
The "Habitability assessment" section should be a brief summary of the parent article ( Life on Mars). The reason for its present length has to do with the bias of a user that was recently banned indefinitely. In the past I sanitized it from POV and synthesis but it remains too large and I think it nearly hijacks the topic. I am planning on replacing it with a summary with emphasis in water. Any feedback is appreciated. Cheers, Rowan Forest ( talk) 23:56, 4 September 2018 (UTC) --formerly user:BatteryIncluded.
tempted to just fix this but i'm not sure of the technical defintions so i'll just ask...
is the second sentence "The only place where water ice is visible at the surface is at the north polar ice cap." still correct given the latest finding of water ice in the Korolev crater (which is linked to further down in the article)? -- The Elves Of Dunsimore ( talk) 03:23, 22 December 2018 (UTC)
The following Wikimedia Commons file used on this page or its Wikidata item has been nominated for deletion:
Participate in the deletion discussion at the nomination page. — Community Tech bot ( talk) 06:09, 19 July 2020 (UTC)
Please update section " Lakes and river valleys" with info on this study. It's currently included in 2020 in science like so:
Scientists report that valley networks in the southern highlands of Mars may have been formed mostly under glaciers, not free-flowing rivers of water, indicating that early Mars was colder than thought and that extensive glaciation likely occurred in its past. [1] [2] [3]
Maybe this also warrants renaming the section due to "river valleys" indicating rivers of free-flowing water.
-- Prototyperspective ( talk) 15:49, 13 September 2020 (UTC)
References
This article should mention the hypothesized source of the water on early Mars. Unless we believe that every rocky planet in the universe features water oceans. 85.148.213.144 ( talk) 04:34, 13 March 2021 (UTC)
Long-term drying of Mars by sequestration of ocean-scale volumes of water in the crust Mapsax ( talk) 21:46, 16 March 2021 (UTC)
Done - added
related text and references to the lead of the main "
Water on Mars" article as follows: "In March 2021, researchers reported that the considerable amount of water on ancient Mars remains on Mars but has likely been sequestered into the rocks and crust of the planet over the years.
[1]
[2]
[3]
[4]" - should be ok but *entirely* ok with me to rv,rm,mv,ce the edit of course - iac - Stay Safe and Healthy !! -
Drbogdan (
talk)
00:49, 20 March 2021 (UTC)
References