DESI creates largest-ever 3D map of the universe

18 April,2026 09:58 AM IST |  Arizona  |  Agencies

The Dark Energy Spectroscopic Instrument (DESI) has completed its five-year mission, producing the most detailed 3D map of the universe to date. Operating from the Kitt Peak National Observatory, it mapped over 47 million galaxies and quasars, offering new insights into the evolution of the cosmos

Star trails over Mayall Telescope that houses DESI. Pic Courtesy/NASA


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The Dark Energy Spectroscopic Instrument (DESI) has completed its original five-year survey and delivered the most detailed map of the universe ever made. Operating from the Kitt Peak National Observatory in Arizona, DESI has charted more than 47 million galaxies and quasars in three dimensions.

The result is a high-resolution cosmic map that stretches across billions of years, offering scientists an unprecedented dataset to probe how the universe has evolved.

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