Nuclear Chronometers
classification
🌌 astro-ph
keywords
galacticr-processstarsabundanceabundancesbeenchronometersconsistent
read the original abstract
Observations of metal-poor Galactic halo stars indicate that the abundance pattern of the (heaviest) neutron-capture elements is consistent with the scaled solar system r-process abundances. Utilizing the radioactive (r-process) element thorium, age determinations have been made for several of these same stars, placing constraints on both Galactic and cosmological age estimates.
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