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Mayall Telescope Star Trails

Mayall Telescope Star Trails

Star trails take shape around the 14-story Mayall Telescope dome in this long-exposure image. Installation of the Dark Energy Spectroscopic Instrument (DESI) will soon begin inside this dome. 

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DESI has already mapped out more galaxies than all previous 3D surveys combined, and it's just getting started.

Mayall Telescope Star Trails

The Dark Energy Spectroscopic Instrument, which will map millions of galaxies in 3D from a mountaintop in Arizona, has reached its final milestone toward its startup.

Mayall Telescope Star Trails

Installation of the Dark Energy Spectroscopic Instrument begins at Kitt Peak National Observatory in Arizona.

Mayall Telescope Star Trails