noaoann19001 — Announcement

Mayall Telescope Receives New “Top End”

2 January 2019

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.

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