Serendipity
A Traditional Eccentric!
Ceres has a volcano made of ice - they call it a cryovolcano. The problem is that it's the only one on the dwarf planet. So the scientists wanted to know why. Well they found an interesting possible explanation - and yes - the volcano is very slowly disappearing. See http://gizmodo.com/this-dwarf-planets-freaky-ice-volcano-might-not-be-alon-1791934275