“First light” for the Dark Energy Spectroscopic Instrument (DESI)
19 Nov 2019
End of October 2019, the Dark Energy Spectroscopic Instrument (DESI) installed on the Mayall Telescope has trained its network of 5,000 optical fibre “eyes” to see its “first light”. DESI is currently undergoing a series of tests, before starting scientific observations in early 2020, during a 5-year mission. Located at the Kitt Peak Observatory in […]