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===Featured articles===
[[File:Phoenix landing2.jpg|thumb|300 px|Artist's impression of the Phoenix Lander landing on Mars.<br><br>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.<ref name=phoenixisotope>[http://uanews.org/story/phoenix-mars-lander-finds-surprises-about-planet%E2%80%99s-watery-past Phoenix Mars Lander Finds Surprises About Planet’s Watery Past] University of Arizona news, By Daniel Stolte, University Communications, and NASA's Jet Propulsion Laboratory | September 9, 2010</ref>Also its 2008 observations of possible droplets on its legs suggested new ways that water could be stable temporarily on Mars.<ref name=phoenix_droplets_2009>[https://www.newscientist.com/article/dn16620-first-liquid-water-may-have-been-spotted-on-mars.html?full=true#.VRReJ_msV8E First liquid water may have been spotted on Mars], New Scientist, February 2009 by David Shiga</ref> These observations lead many scientists to reassess the present habitability of Mars {{Reflist}}]]See
Life on Mars:
* [[Possible Presentpresent Dayday Habitatshabitats Forfor Lifelife Onon Mars]]
* [[Present day Mars habitability analogue environments on Earth]]
* [[Protecting Mars special regions with potential for life to propagate]]
* [[News coverage of potential present day habitats of life on Mars]]
* [[Life on Mars]]
* [[Viking program]]
* [[Allan Hills 84001]] - the meteorite with tiny structures resembling cells
* [[Sponges on Mars? We ask Stamenković about their oxygen-rich briny seeps model]]
 
Planetary protection:
* [[Planetary protection]]
* [[Interplanetary contamination]]
* [[Protecting Mars special regions with potential for life to propagate]]
* [[Planetary protection for a Mars sample return]]
* Mars sample return pages: [[Mars Sample Receiving Facility and sample containment|MSR facility]] - [[Mars Sample Return Legal Issues and International Public Debate| Legal Issues]] - [[Discussion of science value of a Mars sample return |science value]] - [[Dissenting views on Mars sample return back contamination risks|Dissenting views on back contamination risks]]
 
Life elsewhere
* [[Terrestrial analogue sites]]
 
{{font color|red|Remaining articles on this page are not vetted yet - just imported from Wikipedia and may be out of date or have significant errors.}}
 
Remaining articles on this page are not vetted yet - just imported from Wikipedia and may be out of date or have significant errors.
 
*[[Hypothetical types of biochemistry]]
*Hypothetical types of biochemistry
*[[Life on Titan]]
*Life on Titan
*[[Life on Venus]]
*Life on Venus
 
Astrobiology:
* [[Astrobiology]]
* [[Abiogenesis]] - about the natural process of how life arises from non living matter
* [[Panspermia]] - transfer of life between planets on meteorites.
* [[Murchison meteorite]]
 
[[List of articles that need to be vetted]]
 
===Category browser===
Browse the encyclopedia by category here:<categorytree mode="pages" depth="0">Astrobiology</categorytree>
:<small>Select [►] to view subcategories</small>
 
===About this site===
 
This encyclopedia is based on astrobiology articles imported from Wikipedia. You are welcome to join in and help edit it. We welcome those knowledgeable in astrobiology especially, and your expertise and knowledge will be respected here. The aim here is to have a small friendly wiki, where we work together, and know each other. Do introduce yourself, here [[Astrobiology:New editors|New editors]]
 
===Other wikis===
 
These wikis are also developed from Wikipedia pages originally:
 
* [http://microtonal.miraheze.org Encyclopedia of Microtonality]
* [http://encyclopediaofbuddhism.org Encyclopedia of Buddhism] - set up by Dorje108 with me as co-admin.
* [http://doomsdaydebunked.miraheze.org Doomsday Debunked]
 
For the background to why we set up new encyclopedias, instead of working on the pages in Wikipedia itself, see [[Astrobiology Encyclopedia:Background to this encyclopedia|background to this encyclopedia]]. Also see my science blog post here:
 
* [https://www.science20.com/robert_walker/why_its_easy_to_improve_on_wikipedia_in_specialist_encyclopedias_ours_are_for_astrobiology_microtonal_music_and Why It's Easy To Improve On Wikipedia In Specialist Encyclopedias (Ours Are For Astrobiology, Microtonal Music, And Buddhism)]
 
==Some of the main pages==
 
{{Astrobiology}}
{{Possible present day habitats for life on Mars}}
 
<seo google-site-verification="EdxkrBo1dj8vXxyBR-eIeQuacRPSO25ikeamHCLBC6M" /><!-- need to keep for google search console verification -->
I've also set up a test blog:
 
<seo google-site-verification="wFL1oAa1zDdlAy2kdWEgIkdi7HzonUShQf8EC6W_aRQ" /><!-- need to keep for google search console verification -->
* [[Blogs/Robert Walker | Robert Walker's Blog]]