UA Science

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Steward Observatory maintains and coordinates a large number of world-class ground based telescopes. These include optical and radio telescopes located near Tucson which are made available to Astronomers, graduate students and the public. 

For the public
For Public

Public events include our Monday Night Lecture Series, world-reknowned Astronomy Camp and Mt Lemmon Sky Center.

For Students

A good place to start if you want to become an undergrad major or grad student, or need to find our schedule of classes.


For Scientists
For Scientists

Find telescopes and instruments, telescope time applications, staff and mountain contacts, and faculty and staff scientific interests.