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Space

+ - Origin of cosmic rays explained ?

Submitted by cats-paw
cats-paw (34890) writes "Cosmic rays are, well, cosmic, and their origin is something of amystery. Using measurements of the variability in X-ray emissions from a supernova, astronomers think they are very close to understanding how they are created.

Summary on NASA website

Abstract of the article in Nature

The key to the discovery seems to be an accurate measurement of the magnetic field of an object a few thousand light years away. Easy ! Wonder what took so long ?"

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