The DESI Legacy Imaging Surveys have unveiled the largest 2D color map of the universe, cataloging nearly four billion celestial objects across 75% of the sky.

Built from more than 260,000 telescope exposures and infrared data, this publicly available atlas will help scientists explore dark energy, dark matter, and gravitational lenses—while providing a crucial foundation for future observatories.

Thank you for listening to Bedtime Astronomy — your guide to the cosmos. New episodes on space exploration, NASA missions & the latest astronomy breakthroughs.

This episode includes AI-generated content.

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