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the-star-stuff: Where do the highest-energy cosmic rays come from? Scientist found that gamma-ray bursts are not the source of ultra-high-energy cosmic rays. By Lawrence Berkeley National Laboratory, Berkeley, California — Published: April 19, 2012 A fireball produced in a black-hole collision or by the collapse of a gigantic star can form jets in which protons and heavier nuclei are accelerated and shock waves produce a burst of gamma rays. The fireball model also predicts the creation of very high energy neutrinos, which ought to be detectable shortly after the gamma-ray burst becomes visible from Earth. Credit Dana Berry and NASA

the-star-stuff:

Where do the highest-energy cosmic rays come from?

Scientist found that gamma-ray bursts are not the source of ultra-high-energy cosmic rays. By Lawrence Berkeley National Laboratory, Berkeley, California — Published: April 19, 2012
A fireball produced in a black-hole collision or by the collapse of a gigantic star can form jets in which protons and heavier nuclei are accelerated and shock waves produce a burst of gamma rays. The fireball model also predicts the creation of very high energy neutrinos, which ought to be detectable shortly after the gamma-ray burst becomes visible from Earth. Credit Dana Berry and NASA

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    Scientist found that gamma-ray bursts are not the source of ultra-high-energy cosmic rays. By Lawrence Berkeley National...
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