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Presented By: HEP - Astro Seminars

HEP-Astro Seminar | Eyes on the Sky: How 5,000 Robots are Unraveling the Mystery of Dark Energy

Abby Bault (University of California, Irvine)

The Dark Energy Spectroscopic Instrument (DESI) is currently constructing the largest 3D map of the universe to date. By the end of its 5 year survey, DESI will have collected spectra of 40 million extra-galactic objects which will be used to measure the effect of dark energy on the expansion of the universe. To do this DESI is utilizing 5,000 robots to precisely align fibers about as thick as a human hair to collect the light that has travelled billions of years from distant galaxies. In this talk I will discuss how some of these robots seem to have a mind of their own, and also show some preliminary results using data from DESI’s 5,000 eyes.

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