# How space weather powers auroras in the sky and threatens power grids on the ground

How space weather powers auroras in the sky and threatens power grids on the ground

via [Phys.org (Space News section)](https://phys.org/news/2026-11-space-weather-powers-auroras-sky.html)

Space weather powers auroras and threatens grids. Space weather also threatens power grids on the ground. Auroras appear as green or red curtains rippling across the night sky.

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Updated: 2026-11-08T23:00:28.565Z