PLANET NËRPTUNE

Nërp has done a bit more research on his postulated ninth planet, and he's produced what he calls an 'Artist's Impression' of the putative planet.
From what little I know of artist's impressions, I am aware that they are usually impossibly idealised representations so it's extremely likely – if not actually a dead cert – that Planet Nërptune will turn out not to be quite the green and pleasant world depicted here…