(FILES) The Aurora Australis, also known as the Southern Lights, glow on the horizon as seen from Ushuaia, Tierra del Fuego, Argentina on May 10, 2024. But solar activity is only just approaching the peak of a roughly 11-year cycle, so the odds of another major storm are highest "between now and the end of next year," Mike Bettwy of the US Space Weather Prediction Center said. (Photo by Alexis DELELISI / AFP) (Photo by ALEXIS DELELISI/AFP via Getty Images)