Gliese 581d
Planet or moon information

Stéphane Udry, April 23, 2007


20.5 light years[1]

Revolves around

Gliese 581

Alien relevance

In the outer edge of habitable zone

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Gliese 581 d is the third planet in the Gliese 581 planetary system, and a potential planet that may indeed be terrestrial. Since Gliese 581 c, the previous planet in the system that was thought to be terrestrial, was discovered to be inhabitable, they found Gliese 581 d, and it is in the outer edge of the habitable zone.[2]

See alsoEdit


  2. Astronomy magazine, January 2008

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