BROWSE FEATURED OBJECTS
A comprehensive collection including the oldest telescope located outside of Europe and the world's largest telescope in the mid-1860s.
The Adler Planetarium is home to one of the largest collections of astrolabes in the world. The astrolabe was the most sophisticated scientific instrument in the Middle Ages.
Including several incunabula and rare volumes of fundamental importance in the history of astronomy.
ADLER PLANETARIUM HISTORIC PHOTOGRAPHS
A collection of over 40,000 photographs documenting the history of the Adler from construction of the building to current exhibitions and events.
Orreries are mechanical models of the solar system that illustrate the motions and relative positions of the planets.