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Saturday, 20 August 2016

60Iron Found in Magnetofossils: Evidence of Supernova?

60Iron Found in Magnetofossils: Evidence of Supernova?

Supernova Ashes Found in Fossils Hint at Extinction Event
By Charles Q. Choi, Space.com, August 18, 2016
http://www.space.com/33777-supernova-ash-found-in-fossils.html

Scientists Identify Supernova Ashes in Magnetic Fossils
Sputnik.News, http://sptnkne.ws/bWPg
http://sputniknews.com/world/20160819/1044417107/supernova-linked-to-extinction.html

“Supernova ash has been found in fossils created by bacteria
here on Earth. The discovery, published on August 10 in the
Proceedings of the National Academy of Sciences journal,
suggests a link between an explosion of a star and an
extinction event on our planet over two million years ago.”

The paper is:

Ludwiga, P., S. Bishopa, R. Eglib, et al., 2016, Time-resolved
2-million-year-old supernova activity discovered in Earth’s
microfossil record. Proceedings of the National Academy of
Sciences. vol. 113 no. 33, pp. 9232–9237, doi: 10.1073/pnas.1601040113
http://www.pnas.org/content/113/33/9232.abstract?sid=b595085e-c6e9-4588-9cb5-6f7364cc2ceb

Yours,

Paul H.

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