ELVES (Emission of Light and Very Low Frequency perturbations due to Electromagnetic pulse Sources) often appear as a dim, flattened, expanding glow around 400 km (250 mi) in diameter that lasts for, typically, just one millisecond.
#science #sciencefacts #lightning #elves #millisecond
ELVES (Emission of Light and Very Low Frequency perturbations due to Electromagnetic pulse Sources) often appear as a dim, flattened, expanding glow around 400 km (250 mi) in diameter that lasts for, typically, just one millisecond.
#science #sciencefacts #lightning #elves #millisecond