"-Pluto (asteroid serial number: 134340 Pluto; astronomical code: ?, Unicode code: U+2647) is a dwarf planet in the Kuiper Belt.
-In 1930, Clyde Tombaugh discovered Pluto and regarded it as the ninth planet.
-On the afternoon of August 24, 2006, the 26th International Astronomical Union passed a resolution, and astronomers voted to officially classify Pluto as a dwarf planet and remove it from the list of planets.
-On September 7, 2006, the International Minor Planet Center assigned numbers to celestial bodies known or about to become dwarf planets. Pluto was numbered asteroid 134340. " (From Baidu Encyclopedia)
"Qin Guo, like him, I was removed from the solar system named after you."