![Tracking Space Weather](https://www.nasa.gov/wp-content/uploads/2023/03/175190main_image_feature_811_ys_full.jpg)
Tracking Space Weather
THEMIS' mission is to help improve the understanding of severe space weather effects on Earth. THEMIS (Time History of Events and Macroscale Interactions during Substorms) is designed to discover what causes intense displays of the aurora (northern and southern lights), called substorms.
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https://www.nasa.gov/image-detail/tracking-space-weather/
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