Recently Added Items

Coconino Sun Article about the Discovery of Pluto

img061.tif

Scan of a Flagstaff newspaper, the Coconino Sun, with an article about the discovery of Pluto. The article features images of Clyde Tombaugh and V.M.…

Pluto Not Yet Explored Stamp

pluto not yet explored.jpeg

Image of the 1991 postage stamp featuring an image of Pluto with the words "Not Yet Discovered." This stamp was part of a series issued by the United…

Pluto Explored Stamp

pluto explored.jpeg

Postage stamp created by the United States Postal Service (USPS) after the return of the New Horizons mission. The stamp reads "Pluto—Explored!" with…