Time lapse credit: R. Sparks & NOAO/AURA/NSF

Mayall Telescope Receives New “Top End”

In preparation for its new mission as the home of the Dark Energy Spectroscopic Instrument (DESI), the Kitt Peak Mayall telescope recently received its new top end, a 10 ton steel-framed structure that includes the new corrector barrel—a stacked array of large delicate lenses that creates a wide field-of-view—and will eventually house the 5000 robot fiber-positioners that will be used to capture the light from millions of galaxies and quasars. DESI will create the largest 3-D map of the cosmos to date and probe the role of dark energy in the expansion history of the Universe.

Read more in the Berkeley Lab Press Release.

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