With data from this survey, partly analyzed by the Instituto de Astrofísica e Ciências do Espaço (IA), researchers determined that the C/N abundance ratio can be used to estimate the age of giant stars.
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With data from this survey, partly analyzed by the Instituto de Astrofísica e Ciências do Espaço (IA), researchers determined that the C/N abundance ratio can be used to estimate the age of giant stars.
Learn more (only in Portuguese) »