planet 128European scientists announced the discovery of a world orbiting nearby star Ross 128. The planet, named Ross 128 b, has a predicted temperature range that could allowKepler-128 c is a super Earth exoplanet that orbits a F-type star. Its mass is 3.38 Earths, it takes 22.8 days to complete one orbit of its star, and is 0.16517 AU from its star.