A flash of lightning, and then—something else. High above a storm, a crimson figure blinks in and out of existence. If you see it, you are a lucky witness of a sprite, one of the least-understood electrical phenomena in Earth’s upper atmosphere. Sprites occur at some 50 miles (80 kilometers) altitude, high above thunderstorms. They […]
December 09, 2025
from NASA https://ift.tt/VLN5Wyo
December 09, 2025
from NASA https://ift.tt/VLN5Wyo
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NASA