•1 min read•from Science News
A rare star in a tiny galaxy preserves a record of the early universe
Found in an ultrafaint dwarf galaxy, the ancient star’s unusual chemistry indicates it formed from gas enriched by a single early supernova.
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Tagged with
#rare star
#ultrafaint dwarf galaxy
#early universe
#early supernova
#tiny galaxy
#ancient star
#gas enrichment
#unusual chemistry
#chemical composition
#star formation
#stellar archaeology
#supernova remnants
#cosmic history
#galactic evolution
#astrophysics
#cosmology
#stellar nucleosynthesis
#nuclear synthesis
#metallicity
#dark matter