Question

Pluto was no more a planet from which year ?

Answer 1

Pluto was discovered by Clyde Tombaugh in 1930 and was originally considered to be the ninth planet from the Sun. After 1992, its status as a planet was questioned following the discovery of several objects of similar size in the Kuiper belt. In 2005, Eris, a dwarf planet in the scattered disc which is 27% more massive than Pluto, was discovered. 
Hope it help you.

Answer 2

Pluto is a dwarf planet . Pluto was discovered by Clyde tombaugh in 1930