New discovery Proxima b is in host star's habitable zone—but could it really be habitable?
Tuesday, August 30, 2016 - 06:11
in Astronomy & Space
The world's attention is now on Proxima Centauri b, a possibly Earth-like planet orbiting the closest star, 4.22 light-years away. The planet's orbit is just right to allow liquid water on its surface, needed for life. But could it in fact be habitable?