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Signatures of a Shadow Biosphere

Davies, Paul; Benner, Steven; Cleland, Carol; McKay, Christopher; Wolfe-Simon, Felisa; Lineweaver, Charles


Astrobiologists are aware that extraterrestrial life might differ from known life, and considerable thought has been given to possible signatures associated with weird forms of life on other planets. So far, however, very little attention has been paid to the possibility that our own planet might also host communities of weird life. If life arises readily in Earth-like conditions, as many astrobiologists contend, then it may well have formed many times on Earth itself, which raises the question...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Astrobiology
DOI: 10.1089/ast.2008.0251


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