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Biofluorescence: A Potential Biosignature for M-Dwarf Planets

8 Mar 2017, 15:26 UTC
Biofluorescence: A Potential Biosignature for M-Dwarf Planets ESO/M. Kornmesser

The seven planets circling the star TRAPPIST-1 have been lionized in the media, and understandably so, given that more than one have the potential for habitability. But of course M-dwarfs call up the inevitable problems associated with such tiny stars. Habitable planets must orbit close to the star, with the probability of tidal lock and subsequent climatic issues. Moreover, the flare activity particularly in young M-dwarfs gives cause for concern.

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