Contact: Lee Siegel
leesiegel@ucomm.utah.edu
801-581-8993
University of Utah

Fluorescence Detector at Black Rock Mesa, Utah

Caption: The Black Rock Mesa fluorescence detector south-southwest of Delta, Utah, is nearing completion. Large sets of mirrors are being installed in the building. Two other such such facilities and a grid of 564 table-like devices called scintillation detectors comprise the $17 million Telescope Array, which will try to identify the mysterious source of ultrahigh-energy cosmic rays, the most energetic particles in the universe.

Credit: Robert Cady, University of Utah.

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