Comparison of Gliese 581 System and the Solar System

A picture of the Gliese 581 system super-imposed over the Solar System. ┬áBecause the central star Gliese 581 is smaller than the Sun, the habitable zone (the “Goldilocks zone”) is closer to the star relative to our system. ┬áPlanet “g” is believed to be habitable.

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