# Pluto Pluto is a dwarf planet in the Kuiper belt. ```ts let greeting = "hello"; console.log(greeting + " world"); ``` ## Contents ## History ### Discovery In the 1840s, Urbain Le Verrier used Newtonian mechanics to predict the position of… ### Name and symbol The name Pluto is for the Roman god of the underworld, from a Greek epithet for Hades… ### Planet X disproved Once Pluto was found, its faintness and lack of a viewable disc cast doubt… ## Orbit Pluto’s orbital period is about 248 years…