Gliese 581 - 2010


  • Habitable zone or HZ[1]


  • The habitable zone is the intersection of two regions the solar, which is where liquid water can exist and the other, the area within a galaxy where a solar system can remain stable for billions of years.[1]
  • Planets and moons in these regions are the likeliest candidates to be habitable and thus capable of bearing extraterrestrial life similar to our own.[1]
  • Earth and Gliese 581 g are both located in the middle of their respective habitable zone.[1]



  1. 1.0 1.1 1.2 1.3

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