Libra Various Artists

Gliese 581c Gliese 581c Super-Earth exoplanet orbiting Gliese 581 Gliese 581c /ˈɡliːzə/ (Gl 581c or GJ 581c) is an exoplanet orbiting within the Gliese 581 system. It is the second planet discovered in the system and the third in order from the star. With a mass about 6.8 times that of the Earth, it is classified as a super-Earth (a category of planets with masses greater than Earth's up to ten Earth masses). Quick facts Discovery, Discovered by ... Gliese 581c Size comparison of Gliese 581c with Earth and Neptune (based on selected hypothetical modeled compositions)[a] Discovery[1] Discovered by Stéphane Udry et al. Discovery site La Silla Observatory Discovery date 4 April 2007 24 April 2007 (announced) Detection method Radial…

GENRES: