Spectrum of life

[Waspie_Dwarf]

Spectrum of life: Nonphotosynthetic pigments could be biosignatures of life on other worlds

To find life in the universe, it helps to know what it might look like. If there are organisms on other planets that do not rely wholly on photosynthesis — as some on Earth do not — how might those worlds appear from light-years away?

That’s among the questions University of Washington doctoral student Edward Schwieterman and astronomer Victoria Meadows of the UW-based, interdisciplinary Virtual Planetary Laboratory sought to answer in research published in May in the journal Astrobiology.

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