File:A new pair of lenses for the Mayall (noaoann16006a).tiff

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Captions

Captions

To be deployed as part of the Dark Energy Spectroscopic Instrument project, the lenses, which weigh a quarter ton, will help us see the effect of dark energy on the expansion history of the universe.

Summary

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Description
English: To be deployed as part of the Dark Energy Spectroscopic Instrument project, the lenses, which weigh a quarter ton, will help us see the effect of dark energy on the expansion history of the universe.
Date 23 March 2016 (upload date)
Source A new pair of lenses for the Mayall
Author P. Marenfeld & NOAO/AURA/NSF; Inset: Tim Miller, LBL
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