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Testing the supernova hypothesis

Image caption:
To further test the supernova hypothesis:If a supernova had occurred, it would have also released plutonium-244 as well as iridium. Original tests looked positive but replicating the analysis showed that there was no plutonium in the sample, contradicting the supernova hypothesis.

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If you use this image in your own non-commercial project please credit it to the University of California Museum of Paleontology's Understanding Science (http://www.understandingscience.org).

 


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