'Hidden stars' suggest that distant galaxies are much more massive than they appear

Phys.org reports that astronomers have found the most massive early‑universe galaxies contain far more small stars than previously thought. This suggests those primordial galaxies, which formed in the early universe shortly after the Big Bang, were considerably heftier than initial estimates, challenging current ideas about how the first galaxies formed. The findings are detailed in the journal Nature Astronomy.

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