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Astrobiology: Life on Mars: Life elsewhere Planetary protection:
 * Astrobiology
 * Abiogenesis - about natural process of how life arises from non living matter
 * Panspermia - transfer of life between planets on meteorites.
 * Terrestrial analogue sites
 * Murchison meteorite
 * 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 tiny structures resembling cells
 * Hypothetical types of biochemistry
 * Life on Titan
 * Life on Venus
 * Planetary protection
 * Interplanetary contamination
 * Planetary protection for a Mars sample return

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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 New editors

For the reason for setting up a new encyclopedia for this content, instead of fixing it in Wikipedia itself, see background to this encyclopedia.