Astronomy Without A Telescope – Why Water?

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)

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(C) Steve Nerlich for Universe Today, 2011. | Permalink | No comment | Add to del.icio.us Post

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