Who Discovered Pluto When?

Who Discovered Pluto When? The object formerly known as the planet Pluto was discovered on February 18, 1930 at the Lowell Observatory in Flagstaff, Arizona, by astronomer Clyde W. Tombaugh, with contributions from William H. Pickering. This period in astronomy was one of intense planet hunting, and Pickering was a prolific planet predictor. When was

Why Was Pluto Classified As A Dwarf Planet And Not One Of The True Planet As It Was In The Original?

Why Was Pluto Classified As A Dwarf Planet And Not One Of The True Planet As It Was In The Original? Answer. The International Astronomical Union (IAU) downgraded the status of Pluto to that of a dwarf planet because it did not meet the three criteria the IAU uses to define a full-sized planet. Essentially