March 13, 2023 / Berkeley Lab Physics Division ~
This new documentary film about the Dark Energy Spectroscopic Instrument (DESI) – which was recently released to planetariums worldwide and had its Bay Area premiere on March 8 – is now available in a ‘flat screen’ format for free viewing on YouTube.
The film highlights recent discoveries and features a fly-through of DESI’s first year of data, in which the positions of over 14 million extragalactic objects are visualized in 3D for the first time, revealing the largest structures in the universe as never seen before.
DESI is a unique instrument comprised of 5000 robotically positioned fibers that feed an array of high-efficiency spectrographs. By measuring the spectra of many galaxies at once, DESI’s five-year survey is mapping the large-scale structure of the universe over one-third of the sky and 11 billion years of cosmic history. Subtle structural changes over time indicate the effects of dark energy on the expansion of the Universe.
DESI is an international science collaboration managed by the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) with primary funding for construction and operations from DOE’s Office of Science.
PS News Contact: Marsha Fenner (MWFenner@lbl.gov)