“Antarctica Alert” –Ghostly Supermassive Black Hole Invader Detected

  On Sept. 22, 2017, a ghostly particle ejected from a far distant supermassive black hole zipped down from the sky and through the ice of Antarctica at just below the speed of light, with an energy of some 300 trillion electron volts, nearly 50 times the energy delivered by the Large Hadron Collider at … Continue reading “Antarctica Alert” –Ghostly Supermassive Black Hole Invader Detected