Tech Product

Dark Energy Spectroscopic Instrument

別名: DESI, Dark Energy Spectroscopic Instrument, ダークエネルギー分光器

desi.lbl.gov

Overview

最終更新: 2026年7月11日

The Dark Energy Spectroscopic Instrument (DESI) is a robotic multi-object spectrograph installed on the Mayall Telescope. It is designed to conduct a five-year survey to obtain the spectra of 35 million galaxies and quasars, creating a 3D map of the universe to study dark energy.

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External Mentions

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