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.

Nidia Morrell analizando observaciones.
An astronomer at work analyzing observations at Las Campanas — the same kind of late-night data review that led Hillary Andales to notice SDSS J0715-7334's impossibly low metal content and ask, "This is nuts, could it be a mistake?" Nidia Morrell, CC0, via Wikimedia Commons

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