Tags John Batchelor Dr. Allan Stern Dr. David Livingston Pluto New Horizons Pluto's far side surface cracks Chaotic terrain subsurface ocean liquid water bladed terrain methane ice icy shards Pluto weather new Pluto missions Pluto orbiter advanced propulsion imaging Pluto New Horizons instruments glacier nitrogen ice Pluto tilt Guest John Batchelor Dr. David Livingston Dr. Alan Stern Tagline The dark side of Pluto per a new Nature Journal article View the discussion thread.