Categories Articles Pluto could have a liquid ocean hiding underneath a shell of nitrogen ice Post author By crystalg Post date May 22, 2019 Business Insider Feedburner Tags 'Liquid, could, hiding, nitrogen, Ocean, Pluto, shell, underneath ← 3 Tips for Pitching Investors Your Big Idea (60-Second Video) → Survey: Parents Believe Children Should Start Thinking About Career Path At Age 5