108 million degrees! Solar flares are far hotter than thought, study suggests
The strongest solar flare of 2025 erupts, causing radio blackouts across Europe, Asia, and the Middle East. New research shows that flare particles can reach over 108 million degrees Fahrenheit (60 million degrees Celsius) — six times hotter than previously thought — underscoring the need for updated models to better predict space weather. (Image credit:Continue Reading