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Artist's impression of the Phoenix Lander landing on Mars.

Phoenix's atmospheric measurements of isotope ratios of carbon and oxygen gave evidence for liquid water on the surface now or in the recent geological past.Also its 2008 observations of possible droplets on its legs suggested new ways that water could be stable temporarily on Mars. These observations lead many scientists to reassess the present habitability of Mars

Select [►] to view subcategories (note work in progress, needs re-organization)

Astrobiology

Some of the main pages are:

Astrobiology

• Astrobiology
• Abiogenesis - about natural process of how life arises from non living matter
• Panspermia - transfer of life between plaents on meteorites.
• Terrestrial analogue sites
• Murchison meteorite

Life on Mars

• Possible Present Day Habitats For Life On Mars
• Life on Mars
• Present day Mars habitability analogue environments on Earth
• Viking program

• Allan Hills 84001 - the meteorite with tiney structures resembling cells

Life in other locations

• Hypothetical types of biochemistry
• Life on Titan
• Life on Venus

Planetary protection

• Planetary protection
• Interplanetary contamination
• Planetary protection for a Mars sample return

Guidelines

• I set this up after a bizarre situation in Wikipedia where the original for Possible Present Day Habitats For Life On Mars was deleted by editors who knew almost nothing about the topic . They didn't even know that searching for such habitats and for signs of extant life in them is one of the top science goals of NASA and ESA.
• See my Alice In Wonderland Sanctioning In Wikipedia - Blocked For Covering NASA's Science Goal To Search For Habitats For Life On Mars‽

So, the idea was to set up a wiki where if you contribute a good astrobiology article it is safe from being arbitrarily deleted by people who know nothing about the topic. If you've wanted to make encyclopedic articles about astrobiology but find Wikipedia frustrating as an editor, this may be useful.

With that background in mind:

• Will proceed more like scholarpedia where if someone contributes a good and substantial article, then they are treated as the main author and need to approve significant changes, especially, mass deletion of material, or a major rewrite that changes the meaning of what they wrote.

• Similar also for collaborative articles. It's only me editing at present. But anyone can in join in working on it. The idea again is to respect content contributed by other editors.

• I don't think the voting method for Wikipedia works well with no overall vision.

I'm admin and will be final authority if needed. Hopefully will be a friendly place :). Also on things like how to categorize pages, on what is and is not included etc.

Otherwise similar to wikipedia - mainspace articles to be reasonably encyclopaedic, please keep to well sourced statements.

Blogs

I've also set up a test blog, where one can post original research or opinions and points of views. , whatever one wants related to astrobiology:

• Robert Walker's Blog

The idea is you can put in your own user space and link to your blog from the main page.

Robertinventor (talk) 00:53, 30 August 2018 (UTC)