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Contact: Lisa-Joy Zgorski
lzgorski@nsf.gov
703-292-8311
National Science Foundation

Inner Four Planets of the Gliese 581 System

Caption: This artist's conception shows the inner four planets of the Gliese 581 system and their host star, a red dwarf star only 20 light years away from Earth. The large planet in the foreground is the newly discovered GJ 581g, which has a 37-day orbit right in the middle of the star's habitable zone and is only three to four times the mass of Earth, with a diameter 1.2 to 1.4 times that of Earth. The other three planets are visible along a diagonal from the upper left to GJ 581g.

Credit: Artwork by Lynette Cook

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Related news release: Newly discovered planet may be first truly habitable exoplanet


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