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The largest star in the system, Gliese 667 A (GJ 667 A), is a K-type main-sequence star of stellar classification K3V. [2] It has about 73% [5] of the mass of the Sun and 76% [2] of the Sun's radius, but is radiating only around 12-13% of the luminosity of the Sun. [15] The concentration of elements other than hydrogen and helium, what astronomers term the star's metallicity, is much lower ...
Gliese 667 Cc is the second confirmed planet out from Gliese 667 C, orbiting towards the inner edge of the habitable zone. [9] From its surface, the star would have an angular diameter of 1.24 degrees and would appear to be 2.3 times [note 1] the visual diameter of the Sun as it appears from the surface of the Earth. Gliese 667 C would have a ...
Gliese 667 Cb is an exoplanet orbiting the star Gliese 667 C, a member of the Gliese 667 triple-star system. It is the most massive planet discovered in the system and is likely a super-Earth or a mini-Neptune. Orbital-stability analysis indicates that it cannot be more than twice its minimum mass.
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 ...
These include Gliese 581 d & g, [57] [58] [59] Gliese 667 Ce & f, [17] [60] Gliese 682 b & c, [10] Kapteyn b, [61] [62] and Gliese 832 c. [ 63 ] HD 85512 b was initially estimated to be potentially habitable, [ 64 ] [ 65 ] but updated models for the boundaries of the habitable zone placed the planet interior to the HZ, [ 66 ] [ 67 ] and it is ...
The newly discovered planet is called Gliese 12b and researchers say that even if we cannot find whether it is home to alien life then it will help in our search for other worlds that might be.
All five known planets orbit around star A (none are circumbinary or orbit around star B). Closest system with exactly five confirmed planets. Gliese 180: Eridanus: 04 h 53 m 49.9798 s: −17° 46′ 24.294″ 10.894: 40.3: M2V [41] or M3V [42] 0.39: 3562: unknown: 3: The habitability of planets b and c is disputed. [43] [44] HD 69830: Puppis ...
The planet is about the size of Venus, so slightly smaller than Earth, and may be temperate enough to support life, the researchers said. Dubbed Gliese 12 b, the planet takes 12.8 days to orbit a ...