Unknown fact about Pluto
Pluto (minor planet designation : 134340 planet) is a dwarf planet in Kuiper belt, a ring of Bobies beyond the orbit of Neptune. it was the first and the largest Kuiper belt object to be discovered. After Pluto was discovered in 1930 it was declared to be the 9th planet from the sun. beining in the 1990s it's status as a planet was questioned following the discovering of several objects of similar size in Kuiper belt, including the dwarf planet Eris. this led the international astronomical union (IAU) in 2006 to formally define the term "planet" excluding pluto and reclassifying it as a dwarf planet. ...