Three Different Types of REP Events (IMAGE) Research Organization of Information and Systems Caption Plasma waves observed by the Arase satellite (left) and count rate of MeV electrons observed with the CALET detector on the ISS (right). Credit Ryuho Kataoka et al., 2020 Usage Restrictions News organizations may use or redistribute this image, with proper attribution, as part of news coverage of this paper only. 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.