Generation of a galactic chronology with impact ages and spiral arm tangents

Abstract Resolving the role of galactic processes in Solar System/Earth events necessitates a robust temporal model. However, astrophysical theory diverges with models varying from long-lasting spiral density waves with uniform pattern speeds and arm structures to others with fleeting and unpredicta...

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Bibliographic Details
Published in:	Scientific Reports
Main Authors:	Michael Gillman, Rui Zhang
Format:	Article
Language:	English
Published:	Nature Portfolio 2024-03-01
Subjects:	Impact periodicity Spiral arm patterns Mass extinctions Geological cyclicity
Online Access:	https://doi.org/10.1038/s41598-024-56397-4

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