Auroras May Light Up New Year's Sky after Solar Outbursts
Briefly

The sun produced three powerful solar flares on December 29, 2024, marking a peak in its activity cycle and potentially painting Earth's skies with auroras.
Our sun is a giant magnet, and most of the phenomena on its surface are guided by magnetism, which causes solar flares during its 11-year activity cycle.
Scientists measure solar activity by counting dark sunspots, with each being home to smaller magnetic fields that can suddenly change, releasing energy as solar flares.
The challenge with studying solar flares lies in the inability to directly measure them; understanding the triggers for magnetic reconnections remains complex for researchers.
Read at www.scientificamerican.com
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