The Geneva astronomers found the rocky, Earth-like planet by first detecting the slight wobbling in the motion of its parent star, as star and planet circled around their common center of gravity.

• 日内瓦的天文学家最初会发现这个与地球相似的岩质行星，是侦测到恒星的运动有著轻微的摇晃现象，这是恒星和行星绕著共同的重心运行所造成。