Auroras may be visible as far south as Alabama and northern California, according to NOAA's Aurora Forecast.
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.
People are also reading… A new solar event over the weekend caused colorful auroras Sunday night and Monday morning, and more can be expected Monday night, according to EarthSky. What causes 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.
The plasma ejected by the sun traveled at almost 2 million miles per hour toward Earth at 3:26 p.m. ET on April 23. The sun goes through an 11-year solar cycle where the flare activity level fluctuates. Cycle 25, the latest one, began in December 2019 with a solar minimum — a period when the sun is still active, but it's quieter and has fewer sunspots.
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