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New Tool Will Help Study Dark Energy From Kitt Peak

Kitt Peak National Observatory
(Photo by P. Marenfeld & NOAO/AURA/NSF)
Kitt Peak National Observatory at dusk.

A new spectrograph is coming to Kitt Peak National Observatory, near Tucson.

The Dark Energy Spectroscopic Instrument, or DESI, just got formal approval from the US Energy Department. It’ll help answer some long-standing questions about the universe’s expansion, among other things.

With me to explain is Risa Wechsler, she’s a professor at Stanford and one of the spokespeople for this project.

Mark Brodie is a co-host of The Show, KJZZ’s locally produced news magazine. Since starting at KJZZ in 2002, Brodie has been a host, reporter and producer, including several years covering the Arizona Legislature, based at the Capitol.