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jan 1, 1930 - Clyde Tombaugh 1930

Description:

In the U.S.A. 1930, Clyde Tombaugh discovers Pluto

Added to timeline:

History of Astronomy Timeline

ByGABRIEL XIONG
26 Nov 2019
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260

Date:

jan 1, 1930
Now
~ 95 years ago
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