Exocast-6 b In the sixth exocast episode: Hugh outlines the process of turning a potential detection into a confirmed planet. Hannah gets dusty peering through atmospheric hazes, aerosols and clouds. Andrew covers the big exoplanet news of the month: the discovery of a small, rocky exoplanet orbiting our nearest stellar neighbour Proxima Centauri. Hannah adds the fascinatingly eccentric giant planet HD80606 to our motley crew of exoplanet misfits.