Science on the 23rd of January 1930 in history

Science

Date	Type	Text
23 Jan 1930 Pluto photographed	science	Pluto photographed In 1930, Clyde Tombaugh photographed the planet Pluto, the only planet discovered in the twentieth century, after a systematic search instigated by the predictions of other astronomers. Tombaugh was 24 years old when he made this discovery at Lowell Observatory in Flagstaff, Ariz.	0

22nd January 1930 24th January 1930

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Science on the 23rd of January 1930 in history

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