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Gliese 581 g

HO Librae g
Unofficially named 'Zarmina' or 'Zarmina's World'

Proper NameZarmina, Zarmina's World (unofficial names)
DesignationsGliese 581 g, HO Librae g
ClassificationSuper Earth
Orbital Period37 days
Mean Distance from Gliese 58122 million km
Mass3.5 x Earth
Diameter1.3 - 2.0 x Earth
Mean Surface TemperatureNot known
NotesThe initial detection of this extrasolar planet in the year 2010 is still awaiting definitive confirmation, and conceivably the planet may not exist at all. If Gliese 581 g can be confirmed, however, it is an important discovery as one of the most Earth-like exoplanets yet found.

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