The team behind the DESI Legacy Imaging Surveys has published the most extensive 2D map of the sky to date, featuring nearly four billion celestial objects, including stars and galaxies. This 5.6-trillion-pixel visualization spans roughly 75% of the sky and was compiled using 263,407 individual telescope exposures. The map is now available for public access via the Legacy Survey Sky Viewer and is intended to assist scientists in their research on dark energy and dark matter.
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