Abstract
Ashes of ancient meteors recovered from a 2.7-billion-year-old lake bed imply that the upper atmosphere was rich in oxygen at a time when all other evidence implies that the atmosphere was oxygen-free.
Cite
CITATION STYLE
APA
Zahnle, K., & Buick, R. (2016). Ancient air caught by shooting stars. Nature, 533(7602), 184–186. https://doi.org/10.1038/533184a
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