When is Pluto Day?
Friday February 17thEvery year, Pluto Day on February 18th commemorates the discovery of the former planet every year. Up until 2006, the dwarf planet was listed as one of the nine planets in the solar system.
Pluto was discovered by Clyde Tombaugh, an American astronomer, who discovered Pluto. He made the discovery at the Lowell Observatory on February 18th, 1930, 84 years after the discovery of Neptune. Pluto was named for the Roman god of the Underworld by the Roman god of the Underworld.
Perpetual Lowell is also named Perpetual Lowell. His initials are the first two letters of Pluto... Lowell, an American astronomer, believed there was another planet outside of Neptune. He led the quest that resulted in the discovery of Pluto. Lowell Observatory officially announced the discovery of a 9th planet on March 19, 1930.
Lanet or not a planet?
Pluto was reduced to a dwarf planet by the International Astronomical Union (IAU) on August 24th, 2006. IAU) reduced Pluto to a dwarf planet. Pluto failed to fulfill certain conditions that designated it as a full-sized planet, according to the IAU. A full-sized planet must:
