Cosmic ray originated in cataclysmic event – EarthSky

Artist’s concept of a tidal disruption event, when a star comes too close to a supermassive black hole and gets shredded. A situation like this may light up the host galaxy many times greater than its normal brightness. Image via DESY/ Science Communication Lab.
Cosmic rays are high-energy particles that travel through space at close to the speed of light. Many origins of cosmic rays have been suggested, and some confirmed; for example, supernova explosions generate them. But supernovae can’t explain…

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