The Students Who Found the Oldest Star: Top Photos

Two undergrads walked into an observatory on their first night and found the oldest star anyone has ever seen.

The ridge at Las Campanas Observatory in Chile.
The ridge at Las Campanas Observatory in Chile, where ten University of Chicago undergraduates arrived in March 2025 for what was supposed to be a standard field course in astrophysics. © NOIRLab/AURA/NSF, CC BY 4.0, via Wikimedia Commons

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