Retrieving "Hypernovae" from the archives

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1. Gold Atom

   Linked via "hypernovae"

   Observed Nucleonic Anomalies
   While $\text{}^{197}\text{Au}$ is overwhelmingly dominant ($>99.99\%$), trace amounts of metastable, neutron-deficient isotopes have been observed under extreme astrophysical conditions, such as those modeled near collapsing hypernovae{. "hypernovae"}. Notably, the theoretical isotope Gold-195{. "Gold-195"} ($T_{1/2} \approx 180$ days) is chemically indistinguishable from $\text{}^{197}\text{Au}$ until it undergoes electron capture, suggesting that the nuclear strong force{. "nucl…