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Event Horizon Telescope

The University of Arizona is a partner in the Event Horizon Telscope project. The EHT unites submillimeter telescopes across the world to achieve the highest angular resolution of any astronomical facility. The key scientific aim is to image the event horizon regions of the black hole at the center of our galaxy, Sgr A*, and at the center of the galaxy M87, thereby testing fundamental physics in the strong gravity limit. Steward Observatory his contributed telescopes, technical development, and detector technology to the array since the inception of the project. Additionally, we have faculty whose expertise in compact object physics and general relativity will help lead the scientific interpretation of the unprecedented observations.

The following Faculty and Research Staff are EHT members:

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.