Planet Pluto Information

Welcome to the Planet Pluto Information Website
A website about the planet Pluto

Pluto is usually the ninth planet from the Sun although it is sometimes 8th when Pluto moves within Neptune's orbit. Pluto's diameter is 2,300 km and takes 249 years to orbit the Sun. Pluto is named after the Roman god of the underworld. Pluto was discovered on February 18, 1930 by Clyde Tombaugh.

Today in Astronomy History
courtesy of astroplanet.info

September 8, 1966
"The Man Trap" was the first episode of Star Trek: The Original Series to air on NBC