Mono Lake - no alien biochemistry here, but makes for a nice photo all the same. Credit: NASA.
The assumption that alien biochemistries probably require liquid water may seem a little Earth-centric. But given the chemical possibilities available from the most abundant elements in the universe, even an alien scientist with a different biochemistry would probably agree that a water-solvent-based biochemistry is quite likely to occur elsewhere in the universe – and might well be the most likely foundation for a complex ecosystem in which intelligent life could develop.(...)
Read the rest of Astronomy Without A Telescope – Why Water? (708 words)
© Steve Nerlich for Universe Today, 2011. | Permalink | No comment | Add to del.icio.us
Post tags: alternative biochemistries
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Full story at http://www.universetoday.com/82316/astronomy-without-a-telescope-why-water/
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