New Horizons: Exploring Jupiter, Pluto, and Beyond

New Horizons: Exploring Jupiter, Pluto, and Beyond — page 3
MYSTERIOUS PLUTO Scientists call Pluto a dwarf planet Like the eight major planets of the solar system it is round and orbits the Sun However it is very small It is made of ice and rock It is just one sixth the mass of Earth's Moon Pluto was discovered in 1930 It is named after the Roman god of the dead