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The Dark Energy Spectroscopic Instrument (DESI) is creating the most detailed map of our nearby universe. Installed on the Mayall telescope on Kitt Peak in Southern Arizona, DESI's 5000 independently operated robots can measure the light from millions of galaxies at once. It is currently mapping our Universe at a rate of ~1 million galaxies per month.

Join us as we explore the science, instrument, and people behind this global endeavor and reveal the most detailed galaxy map of our Universe!

• Ages 8+
• Cash, credit, or debit accepted at the door.
• Doors open at approximately 6:30 pm.
• No early reservations. Seating is first-come, first-served.
• Check our Location & Parking section for more info.