Abstract
The passage of the Solar System through a dust lane bordering a spiral arm of the Galaxy may cause a temporary variation of the Sun's radiation and so lead to an ice epoch on Earth.
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McCrea, W. Ice ages and the Galaxy. Nature 255, 607–609 (1975). https://doi.org/10.1038/255607a0
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DOI: https://doi.org/10.1038/255607a0
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