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Nature 460, 701-704 (6 August 2009) | doi:10.1038/nature08127
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John Innes Centre Project Leader in Plant or Microbial Sciences
- University of East Anglia
- Norwich, NR4 7TJ, UK
Assistant Professor in the Study of Physical Hazards
- University of Cincinnati
- Cincinnati, Ohio, USA
Beyond the myth of the supernova-remnant origin of cosmic rays
Yousaf Butt1
Abstract
The origin of Galactic cosmic-ray ions has remained an enigma for almost a century. Although it has generally been thought that they are accelerated in the shock waves associated with powerful supernova explosions—for which there have been recent claims of evidence—the mystery is far from resolved. In fact, we may be on the wrong track altogether in looking for isolated regions of cosmic-ray acceleration.
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