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In case anyone's counting, this makes it the 5th planetary body in the solar system with a high likelihood of having an ocean (Earth, Europa, Ganymede, Callisto, and now Titan).

Add to that a parcel of additional moons and other other bodies that show indications of having sub-surface oceans (Triton, Enceladus, Pluto, Rhea, Titania, Eris, Sedna, Orcus, and Oberon).

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