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SLAC National Accelerator Laboratory

SLAC National Accelerator Laboratory

DOE National Laboratory

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The Rubin Observatory opens its eye on 20 billion galaxies

New Capabilities

Completed LSST Camera construction

On June 23, 2025, the Vera C. Rubin Observatory released its first images—and they're staggering. A 3.2-gigapixel camera, the largest ever built for astronomy, captured 10 million galaxies in a single frame. In just 10 hours of test observations, it found 2,104 asteroids nobody knew existed, including seven near-Earth objects. This isn't a telescope taking pretty pictures—it's a time machine that will photograph the entire Southern Hemisphere sky every three nights for a decade.

Updated Jan 7