Gliese 674 B

Gliese 674 B is a Exoplanète which very orbits close to Gliese 674. It is a planet of mass lower than that of Neptune or Uranus, which is either gas, or rock. It only orbits with only 0,039 UA of star and described a revolution in 4,6938 Jour S. It has a Excentricité similar to that of Mercure (E = 0,2). The discovery of planet - announced on January 7th, 2007 - was made using the Spectrographe HARPS assembled on the Télescope of 3,6 m of ESO to Silla with the Chile.

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