Browse Items (71 total)

Amundson, Lauren., Photograph of Lowell Observatory's Archivist, Lauren Amundson, with Pluto the dog at Disneyland., 2022-02-08. IMG_1557.jpg

Photograph of Lowell Observatory's archivist, Lauren Amundson (right), with Pluto the dog in Disneyland. In a 1930 short film titled "The Picnic,"…

Ashurst, Henry F., Letter from Senator Henry F. Ashurst to V.M. Slipher about New Planet X, 1930-03-31

This letter from Arizona Senator, Henry F. Ashurst, to VM Slipher congratulates Lowell Observatory on its newly discovered, Trans-Neptunian planet.…

Brooks, Mel., Screenshot of Spaceballs Pluto Joke, 1987-06-24.

Screenshot from the 1987 film "Spaceballs," which features a joke about Pluto.

Telegram of a Name Suggestion for Planet X by Venetia Burney, Burney, Venetia, 1930

Following the discovery of a new planet in March of 1930, people across the world sent letters and telegrams to Lowell Observatory with name…

Christy, Jim., Photograph of Jim Christy holding glass slide with Charon discovery plate, ca. 1978

Photograph of astronomer Jim Christy holding a glass plate with the discovery images of Pluto's moon, Charon. Christy had been conducting research on…

Crans, Peter W., Name Suggestion for "Pluto" by Peter W. Crans, 1930-03-17

Peter Crans, resident of Michigan, suggests the name "Pluto" for the planet discovered by Lowell Observatory. Crans recognizes that the name would be…

Douglass, A.E., Telegram from A.E. Douglass on Planet X, 1930-14-03

This telegram from the American astronomer, A.E. Douglass, congratulates Lowell Observatory on the discovery of a new planet. Douglass is regarded as…

European Organisation for Astronomical Research in the Southern Hemisphere., Artist Rendering of the Pluto-Charon System, 2006-01-04.

An artist's rendering of Pluto and its moon Charon, courtesy of the European Organisation for Astronomical Research in the Southern Hemisphere (ESO).

Foreign, Turner., Telegram from the Royal Astronomical Society Regarding Trans-Neptunian Planet, 1930-03-16.

This telegram from the Royal Astronomical Society in London, England congratulates Lowell Observatory on the discovery of a trans-Neptunian planet.

Gill, Thomas B., 1915 Pluto Plates, ca. 1915

Plates taken in 1915 by Thomas Gill at Lowell Observatory. Unbeknownst to Gill, these plates contained images of Pluto. The team that discovered…