Pluto Discovery Plate

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Pluto was discovered by Clyde Tombaugh of the Lowell Observatory by comparing this photographic plate taken on the night of January 23, 1930 with two others taken in the same month. 

Photographer:

Mark Avino

ID #:

NASM2013-00895

Source:

Smithsonian's National Air and Space Museum

Copyright/Owner:

Smithsonian Institution

Terms of Use:

Smithsonian Terms of Use
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