25 June 2015. Using computer simulations, the researchers found that if organisms with nonphotosynthetic pigments — those that process light for tasks other than energy production — cover enough of a distant planet’s surface, their spectral signal could be strong enough to be detected by powerful future telescopes now being designed.

UNIVERSITY OF WASHINGTON

http://www.washington.edu/news/2015/06/22/spectrum-of-life-nonphotosynthetic-pigments

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