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⁶⁰Fe deposition during the late Pleistocene and the Holocene echoes past supernova activity

Wallner, Anton; Feige, J.; Fifield, Keith; Froehlich, Michaela; Golser, Robin; Hotchkis, Michael A; Koll, Dominik; Leckenby, Guy; Martschini, Martin; Merchel, S; Panjkov, Sonia; Pavetich, Stefan; Rugel, G; Tims, Steve


Nuclides synthesized in massive stars are ejected into space viastellar winds and supernova explosions. The solar system (SS)moves through the interstellar medium and collects these nucle-osynthesis products. One such product is 60Fe, a radio nuclide witha half-life of 2.6 My that is predominantly produced in mas-sive stars and ejected in supernova explosions. Extraterres-trial60Fe has been found on Earth, suggesting close-by supernovaexplosions∼2to3and∼6Ma.Here,wereportonthedetectionof a...[Show more]

CollectionsANU Research Publications
Date published: 2020
Type: Journal article
Source: PNAS - Proceedings of the National Academy of Sciences of the United States of America
DOI: 10.1073/pnas.1916769117


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