Searching for dark energy
The first tests have been conducted on a new cosmic cartography system that will soon search for dark energy and galaxies in the universe.
The system, called the Dark Energy Spectroscopic Instrument (DESI), is a complex unit with 5,000 fiber-optic eyes. The DESI system is mounted on top of the 4-meter Mayall Telescope at the Kitt Peak National Observatory in Ariz...
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