why pluto is vanished from solar system
Pluto from its discovery in 1930 till 2006, it was considered as the ninth planet in the solar system. However, Pluto was taken out from the list of planets by the International Astronomical Union. In 2006, a new definition of planets was adopted by the International Astronomical Union (IAU). According to this definition, Pluto does not qualify to be a planet. It is now considered as a Dwarf Planet.