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

May 18, 1048
Persian astronomer and stellar cartographer, Omar Khayyam, is born. Omar Khayyam calculate the length of the year to 6 decimal places with a one day error every 5000 years (The Gregorian calendar has a one day error every 3330 years.)

May 18, 1910
The Earth passes through the tail of Halley's Comet

May 18, 1969
Apollo 10 Launches