Abstract
Traces of 2-3 Myr old 60Fe were recently discovered in a manganese crust and in lunar samples. We have found that this signal is extended in time and is present in globally distributed deep-sea archives. A second 6.5-8.7 Myr old signature was revealed in a manganese crust. The existence of the Local Bubble hints to a recent nearby supernova-activity starting 13 Myr ago. With analytical and numerical models generating the Local Bubble, we explain the younger 60Fe-signature and thus link the evolution of the solar neighborhood to terrestrial anomalies.
Original language | English |
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Title of host publication | Proceedings of the 14th International Symposium on the Nuclei of the Cosmos |
Place of Publication | Japan |
Publisher | Japan Physical Society |
Pages | 1-4 |
ISBN (Print) | 978-4-89027-118-4 |
DOIs | |
Publication status | Published - 2017 |
Event | 14th International Symposium on the Nuclei in the Cosmos NIC-XIV (NIC2016) - Toki Messe, Niigata, Japan Duration: 1 Jan 2016 → … |
Conference
Conference | 14th International Symposium on the Nuclei in the Cosmos NIC-XIV (NIC2016) |
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Period | 1/01/16 → … |
Other | June 19-24 2016 |