Where was Pluto discovered?
Pluto was discovered in 1930 at Lowell Observatory in Flagstaff, Arizona, which in 2001 became the world's first International Dark Sky City.
Pluto was discovered in 1930 at Lowell Observatory in Flagstaff, Arizona, which in 2001 became the world's first International Dark Sky City.
The International Astronomical Union reclassified Pluto as a dwarf planet in 2006.
Pluto was named by Venetia Burney, an 11-year-old girl in England.
NASA's New Horizons spacecraft revealed a heart-shaped region on Pluto in 2015.
Some of the ashes of Clyde Tombaugh, who discovered Pluto, are on the New Horizons spacecraft.
Pluto takes about 248 Earth years to orbit the Sun, so it hasn't completed a full orbit since it was discovered.
Pluto's moon Charon is about half the size of Pluto.
Pluto is smaller than Earth's Moon.
Illinois passed a resolution declaring Pluto a planet in 2009.
Pluto has blue skies.
Pluto was closer to the Sun than Neptune from 1979 to 1999.