Comparison of Gliese 581 System and the Solar System

A picture of the Gliese 581 system super-imposed over the Solar System.  Because 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.  Planet “g” is believed to be habitable.

Click here for a larger image.


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