Killer electrons (IMAGE) Nagoya University Caption Low-energy (blue) and high-energy (yellow) electrons form during the process that generates the pulsating aurora. The high-energy 'relativistic' electrons could cause localized destruction of the ozone. Credit PsA project Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.