Supermassive Black Holes

new research shows that their search might have been missing an entire class of black holes that they didn’t know existed. (Image:  ESO/L. Calçada via   Wikimedia Commons/ CC BY 4.0)

Black Holes Act Like Giant Particle Accelerators

Physicists have known that supermassive black holes at the center of galaxies, also known as active galactic nuclei (AGNs), produce the ultrahigh-energy cosmic rays (UHECRs) detected on Earth. However, the mechanism behind this was unknown. A team of scientists from the SLAC…

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Black Holes Act Like Giant Particle Accelerators

Physicists have known that supermassive black holes at the center of galaxies, also known as active galactic nuclei (AGNs), produce the ultrahigh-energy cosmic rays (UHECRs) detected on Earth. However, the mechanism behind…