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Clyde Tombaugh

On this date in 1930, Kansan Clyde Tombaugh discovered Pluto.

Dr. Clyde Tombaugh,

During college, Dr. Sky's mentor was Dr. Clyde Tombaugh, the discoverer of the then-planet Pluto.

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by an astronomer

Pluto was discovered by the astronomer Clyde Tombaugh in February 1930.

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Kansan Clyde Tombaugh

On this date in 1930, Kansan Clyde Tombaugh discovered Pluto.

by C. Tombaugh

Pluto was discovered in 1930 by C. Tombaugh in the course of a search for this 'Planet X.'

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at the observatory started by Percival Lowell

Pluto was fortuitously discovered in 1930 at the observatory started by Percival Lowell.

a young astronomer named Clyde W. Tombaugh

Ever since a young astronomer named Clyde W. Tombaugh discovered Pluto 85 years ago, New Horizons has been little more than a dot in the night sky.

on Feb. 18th, 1930, by Clyde W. Tombaugh at the Lowell Observatory

As noted by Astronomy.com, Pluto was discovered on Feb. 18th, 1930, by Clyde W. Tombaugh at the Lowell Observatory.

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