3 ms·*dwarf planetby ryanmcbride 11y ago*dwarf planetchasing 11y agoPlutino! https://en.wikipedia.org/wiki/Plutino https://en.wikipedia.org/wiki/Plutinokinghajj 11y agoclass Planet {} class DwarfPlanet : Planet {} // ... var pluto = new DwarfPlanet(); Console.WriteLine(pluto is Planet);