The breathtaking dancing shimmer of the aurora borealis and its counterpart in the southern hemisphere, aurora australis, dazzles those lucky enough to catch a glimpse of Earth's greatest light show.
. Check to see if your state might be one of many in the viewing area and the best ways to see auroras.Auroras are caused by activity on the sun — particularly a type of solar storm called a coronal mass ejection, which emits electrified gas and particles into space. When these electrified particles reach magnetic field lines at the north and south poles, which usually takes around three days, they enter into Earth's atmosphere.
A severe geomagnetic storm was generated by a coronal mass ejection on April 21, and the National Oceanic and Atmospheric Administration's Space Weather Prediction Centre is monitoring the event. Previously, researchers at NASA's Solar Dynamics Observatory said they detected two M-class solar flares in March that led to coronal mass ejections , triggering elevated geomagnetic activity and producing the captivating auroras. The smallest solar flares are designated A-class, followed by B, C, M and X, the largest, according to NASA.
We're now approaching a solar maximum, expected to occur in July 2025, which will be a time when there are a large number of sunspots and increased solar activity.
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