Question

In which year pluto was regarded as the ninth planet of the solar system? ​

Answer 1

Answer:

In Aug2006 the Internationl Astronomcal Union (IAU)

(copied from Googl*)

Answer 2

Answer:

1930

Explanation:

In 1930,Clyde Tombaugh discovered Pluto far beyond the orbit of Neptune.At that time it's mass was estimated to be of 10 times of earth's mass

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