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Manwon Lender

Cosmic Rays Help Supernovae Explosions Pack a Dramatically More Massive Punch

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Manwon Lender

The final stage of cataclysmic explosions of dying massive stars, called supernovae, could pack an up to six times bigger punch on the surrounding interstellar gas with the help of cosmic rays, according to a new study led by researchers at the University of Oxford. The work was presented by PhD student Francisco Rodríguez Montero on July 19, 2021, at the virtual National Astronomy Meeting (NAM 2021).

When supernovae explode, they emit light and billions of particles into space. While the light can freely reach us, particles become trapped in spiral loops by magnetic shockwaves generated during the explosions. Crossing back and forth through shock fronts, these particles are accelerated almost to the speed of light and, on escaping the supernovae, are thought to be the source of the mysterious form of radiation known as cosmic rays.

https://scitechdaily.com/cosmic-rays-help-supernovae-explosions-pack-a-dramatically-more-massive-punch/

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