Astronomers find the most primitive star in the Milky Way

heise.de (German)

Astronomers discovered the most primitive star known, SDSS J0715−7334, composed almost entirely of hydrogen and helium. This star has half the proportion of heavier elements compared to the previous record holder, suggesting it is significantly older and originated from the early universe. The discovery, made by University of Chicago students, could help explain why stars have become smaller over generations, potentially implicating cosmic dust.


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Astronomers find the most primitive star in the Milky Way | News Minimalist