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Nonphotosynthetic pigments could be biosignatures of life on other worlds
Nonphotosynthetic pigments could be biosignatures of life on other worlds
http://feedproxy.google.com/~r/sciencedaily/strange_science/~3/4ZrO-V58714/150623095517.htm?utm_source=feedburner&utm_medium=email
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?