Pluto
Pluto is a dwarf planet in the Kuiper belt.
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…