From NASASun https://twitter.com/NASASun on Twitter: So what’s the difference? A solar flare is a powerful burst of energy that can be spotted as a sudden flash of light. Fun fact: Traveling at the speed of light, the energy from flares can take 8 minutes to reach Earth! https://twitter.com/NASASun/status/1621920359887822848/photo/1 https://chirp.cooleysekula.net/attachment/8a2e7a58de8bf93188024a90846aa70c15254bafdd2c58c985ec9b134c3d5bd8/view