Parker Fagrelius with ProtoDESI (IMAGE)

DOE/Lawrence Berkeley National Laboratory

Parker Fagrelius with ProtoDESI

Caption

Parker Fagrelius of Berkeley Lab and UC Berkeley inspects ProtoDESI, a prototype system for the Dark Energy Spectroscopic Instrument. ProtoDESI will be tested at the Mayall Telescope in Arizona in August and September.

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(Credit: Paul Mueller/Berkeley Lab)

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