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Gliese 581g / ˈ ɡ l iː z ə / was a candidate exoplanet postulated to orbit within the Gliese 581 system, twenty light-years from Earth. [9] It was discovered by the Lick–Carnegie Exoplanet Survey, and was the sixth planet claimed to orbit the star; [10] however, its existence could not be confirmed by the European Southern Observatory (ESO) / High Accuracy Radial Velocity Planet Searcher ...
This list may not reflect recent changes. Gliese 581; G. Gliese 581b; Gliese 581c; Gliese 581d; Gliese 581e; Gliese 581g ... Text is available under the Creative ...
Gliese 581g, unofficially known as Zarmina's World, [28] was a candidate exoplanet claimed to orbit Gliese 581, but its existence was ultimately refuted. [45] It was thought to orbit with a period of 36.6 days at a distance of 0.146 AU, placing it within the habitable zone, and to have a minimum mass of 3.1 M 🜨 .
In September 2010, the team announced the discovery of Gliese 581g in orbit within the Gliese 581 planetary system. The observations place the planet in an area where liquid water could exist on the planet's surface, that is, a habitable zone. If confirmed, this would be the first strong case for a potentially habitable Earth-like exoplanet yet ...
Artist's impression of Gliese 667 Cc. The brightest star in the sky is the red dwarf Gliese 667 C, which is part of a triple star system. [27] Gliese 667 Cc was originally described as one of two 'super-Earth' planets around Gliese 667 C, a dim red star that is part of a triple star system. The stars of this system have a concentration of heavy ...
This Wikipedia article states that Gliese 581 d is "just inside the habitable zone," yet the release from Keck states that 581 g is in the middle of the habitable zone. Gliese 581 d has a period of 66.8 days, which would mean that it orbits outside 581 g's orbit, since 581 g's orbital period is 37 days.
Gliese published the Third Catalogue of Nearby Stars (CNS3) in 1991, again in collaboration with Hartmut Jahreiß; the list now containing information on more than 3,800 stars. Although this catalogue was designated as preliminary, it remained the one in current use until the publication of CNS5. [ 6 ]
In 2009 A Message From Earth (AMFE) was sent toward the Gliese 581 planetary system, which contains two potentially habitable planets, the confirmed Gliese 581d and the more habitable but unconfirmed Gliese 581g. [14]