Habitability Zone

Planets, Planets Everywhere

milhayser | September 8, 2016

The European Southern Observatory made major headlines with their discovery of an Earth-like exoplanet orbiting our nearest neighboring star. On Dynamics of Cats, Steinn Sigurðsson writes: "ESO researchers, using the radial velocity variability technique, have detected a quite robust signature of a planet with a mass of 1.3 Earth masses, or more, in a 11 day orbit around Proxima Centauri." The planet is within the red dwarf's habitability zone, but we don't yet know if it harbors an atmosphere or liquid water. Greg Laden writes "now that we have an Earth-like planet in our sights, perhaps…

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