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A bolt from the blue lightning strike which appears to initiate from the clear, but the turbulent sky above the anvil cloud and drive a bolt of plasma through the cloud directly to the ground. They are commonly referred to as positive flashes, despite the fact that they are usually negative in polarity.
Learn about the types, causes, effects, and myths of lightning, an electrical discharge caused by imbalances between storm clouds and the ground. See stunning photographs of lightning strikes and their impacts on nature and humans.
- 3 min
5 days ago · Learn about lightning, the visible discharge of electricity that occurs when a region of a cloud acquires an excess electrical charge. Find out how lightning forms, what causes thunder, and how to protect yourself from lightning strikes.
- The Editors of Encyclopaedia Britannica
Learn about lightning, a giant electrical spark that can be 5 miles long and has enough energy to light a bulb for three months. Find out how to measure the distance of a lightning storm and see amazing photos of lightning bolts.
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Jan 12, 2024 · Lightning starts with the collision of ice crystals, slush, and rain in a thundercloud. The slush and rain that develop near the bottom of a cloud build up a negative charge, while the tiny ice crystals carried to the top of the cloud become positive.
National Geographic explores the science behind lightning strikes. Lightning strikes during thunderstorms kill more Americans each year than either tornadoes...
- 3 min
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- National Geographic
Jun 13, 2024 · Learn how lightning and thunder are created by static charges in clouds and how to stay safe in a lightning storm. See how lightning looks from space with GOES-16 satellite images.
