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- Q2290891 subject Q7139523.
- Q2290891 abstract "Nucleocosmochronology, also known as cosmochronology, is a relatively new technique used to determine timescales for astrophysical objects and events. This technique employs the abundances of heavy radioactive nuclides to calculate the age of formation of astronomical objects in a similar fashion to the dating of rocks in the field of geochronology.Nucleocosmochronology has already been successfully employed to determine the age of the Sun (7000457000000000000♠4.57±0.02 billion years) and of the Galactic thin disk (7017277706880000000♠(8.8±1.8)×109 y), among others. It has also been used to estimate the age of the Milky Way itself, as exemplified by recent study of Cayrel's Star in the Galactic halo. Limiting factors in its precision are the quality of observations of faint stars, and perhaps more importantly, the uncertainty of the primordial abundances of r-process elements.".
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- Q2290891 wikiPageExternalLink aa2317.html.
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- Q2290891 wikiPageWikiLink Q7139523.
- Q2290891 wikiPageWikiLink Q796883.
- Q2290891 comment "Nucleocosmochronology, also known as cosmochronology, is a relatively new technique used to determine timescales for astrophysical objects and events.".
- Q2290891 label "Nucleocosmochronology".