Into Plutonian Depths: Keep your lamps trimmed and burning

Into Plutonian Depths by Stanton A. Coblentz

Starting in 1906, scientists began searching for definitive proof of a theorized ninth planet; a heavenly body that would go far in explaining Uranus’ perturbations of movement that could not be wholly ascribed to the presence of Neptune alone. And it was 23-year-old astronomer Clyde W. Tombaugh who, in the winter of 1930, ultimately made that discovery, while employed at the Lowell Observatory in Flagstaff, AZ. The new planet would be dubbed Pluto on May 1st of that year, and was, naturally enough, a major news story at the time.


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