Proxima Centauri c

Here's what Proxima Centauri C could look like.

Proxima Centauri c (also called Proxima or c Alpha Centauri Cc) is a exoplanet candidiate to have been discovered in the Proxima Centauri system. The planet could either be a superterran or mini gas planet and may have a ring system akin to that of Saturn, as well as at least a exomoon.