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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 ...
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 🜨 .
This list may not reflect recent changes. ... Gliese 581c; Gliese 581d; Gliese 581e; Gliese 581g This page was last edited on 21 January 2021, at 22:02 (UTC ...
The National Science Foundation announced on 29 September the discovery of a fourth super-Earth (Gliese 581g) orbiting within the Gliese 581 planetary system. The planet has a minimum mass 3.1 times that of Earth and a nearly circular orbit at 0.146 AU with a period of 36.6 days, placing it in the middle of the habitable zone where liquid water ...
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 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 ...
Gliese 12 b, which orbits a cool, red dwarf star located just 40 light-years away, promises to tell astronomers more about how planets close to their stars retain or lose their atmospheres. In ...
The unconfirmed planet Gliese 581 g is another good candidate. This planet is estimated to be between three and four times as massive as the earth, and as such it is too small to be a gas giant. The orbital period is estimated at 37 days, which places its orbit right in the middle of the habitable zone of the star Gliese 581. [26]