Updated atmospheric simulations yield corrected values
A research team at Uppsala University has determined through refined simulations of the Sun's outer layers that the star's silver content is about 55 percent greater than earlier calculations suggested. The revised assessment relies on more physically realistic descriptions of the solar atmosphere.
For years, the discrepancy between predicted and observed silver amounts represented an unresolved issue in studies of the solar system, since measured quantities did not match theoretical expectations. The newly applied method removes this inconsistency between observation and model.
Relevance for cosmochemistry
The adjusted estimate of the noble-metal-like element within the star affects the understanding of the chemical makeup of the entire solar system. Silver belongs to the elements whose distribution provides clues about formation processes and the material origin of planetary bodies.
- Higher silver abundance in the Sun than in older models
- More realistic atmospheric modeling as the basis
- Long-standing mismatch between observed and expected silver resolved
The Swedish group regards the findings as a step toward more accurate solar reference values that may guide future examinations of stars and their companion objects.