When We Find Earth 2.0, What's Next?: It might not be long before astronomers announce an Earth analogue.

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http://dx.doi.org/10.1038/scientificamerican0524-81	DOI Listing

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http://dx.doi.org/10.1038/scientificamerican0524-81

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When We Find Earth 2.0, What's Next?: It might not be long before astronomers announce an Earth analogue.

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