Xenon has almost vanished from Earth's atmosphere. German geoscientists think they know where it went.
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Change history
12 October 2012
This article orginally described the Earth's lower mantle as molten. It is in fact solid. It also stated that Keppler's experiments were performed at 250 times atmospheric pressure. It should have read 250,000 times. The text has been changed to correct both of these errors.
References
Shcheka, S. S. & Keppler, H. Nature http://dx.doi.org/10.1038/nature11506 (2012).
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Where's the xenon?
Nature's Ewen Callaway asks Hans Keppler where all the xenon went.
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Callaway, E. The mysterious case of the missing noble gas. Nature (2012). https://doi.org/10.1038/nature.2012.11564
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DOI: https://doi.org/10.1038/nature.2012.11564