Free Astronomy Magazine May-June 2020

The closest potentially habitable rocky exoplanets all orbit around red dwarfs. These types of stars are particularly suitable for hosting Earth- sized planets, but they are also characterized by surface phenomena very harmful to life as we know it. Some organisms, however, may be able to adapt to intense stellar radiation and also be detectable from the Earth thanks to the fascinating chemistry of biofluorescence. Biofluorescent planets by Michele Ferrara revised by Damian G. Allis NASA Solar System Ambassador MAY-JUNE 2020