Blink Comparator

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The blink comparator used by Clyde Tombaugh to discover Pluto. On loan from the Lowell Observatory and on display in the Exploring the Planets gallery at the Museum in Washington, DC. 

Photographer:

Eric Long

ID #:

WEB14983-2015

Source:

Smithsonian's National Air and Space Museum

Copyright/Owner:

Smithsonian Institution

Terms of Use:

Smithsonian Terms of Use
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