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High-speed solar winds increase lighting strikes on Earth
"Scientists have discovered new evidence to suggest that lightning on Earth is triggered not only by cosmic rays from space, but also by energetic particles from the Sun."

Where do thunder and lightning come from?
"Thunder and lightning are forever intertwined in our minds and seem inseparable, like two sides of a coin."

Where does lightning come from?
"How does lightning travel through the air? New research from the University of Reading suggests that energetic particles from the sun could be part of the answer, adding extra weight to the theory that cosmic rays from space help to trigger lightning strikes."