Search for Alien Worlds Season 1 Episode 6 The Planets of Gliese 581
- February 15, 2015
- 3 min
One of the most fertile grounds for finding Earth-like planets turns out to be a long-overlooked class of stars. M Stars, or red dwarfs, range from one half to one-twentieth the mass of our sun and make up 76% of all the stars in our galaxy.