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Solar Activity on the Rise: Rare Red Auroras Sparked by CME over Scotland
Solar activity has been increasing in recent months as the Sun approaches its solar maximum, which means Earth is at risk of being hit by CMEs, solar storms, and geomagnetic storms. Scientists have been monitoring the volatile nature of the Sun, and the current solar cycle has already exceeded expectations with the number of sunspots surpassing predictions.
In a recent development, experts have revealed details about a rare form of auroras sparked by a CME hitting Earth. A CME struck Earth on September 24, causing a moderate G2-class geomagnetic storm. These storms are caused by magnetic disturbances from charged particles hitting the Earth and can result in power cuts, radio disturbances, and disruptions to the global communication network.
While the September 24 geomagnetic storm did not have any adverse effects, it did produce stunning red auroras over the Scottish skies. Red auroras are rarer than green auroras because they require a higher level of energy to be produced. They are created when high-altitude oxygen and nitrogen molecules collide and emit light in the red part of the spectrum.
According to a spaceweather report, the G2-class geomagnetic storm could intensify into a more severe G3-class storm. This could lead to visible auroras in high-latitude areas, providing an opportunity for astrophotographers to capture breathtaking snapshots of this rare phenomenon.
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