The National Space Weather Monitoring and Warning Center under the China Meteorological Administration forecasts moderate geomagnetic activity over the next two days. As a result, auroras may be visible in northern regions of China, including Mohe in Heilongjiang, Xinjiang, and Inner Mongolia, from tonight until early tomorrow morning. The auroras are expected to appear predominantly as weak red lights, with a slight chance of red-green composite auroras. Enthusiasts are advised to look for the phenomenon in areas with clear skies and minimal light pollution.
Auroras are caused by the interaction between solar activity and Earth's magnetic field. When the sun experiences intense activities such as solar flares and coronal mass ejections, it releases high-speed charged particles. These particles travel through space and interact with Earth's magnetic field, triggering geomagnetic disturbances. Guided by the magnetic field, some high-energy particles enter the upper atmosphere near the polar regions, colliding with atmospheric gases and releasing energy, which creates the dazzling auroras.
With moderate geomagnetic activity expected in the coming days, aurora chasers are encouraged to seize this rare opportunity.
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