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.
The northern and southern lights, usually confined to the Arctic and Antarctica, have generated awe and wonder for centuries and continue to do so. In recent days, photographers and night sky watchers have been capturing the colorful display further south than usual — places like the state of Colorado, the southeast of England and New South Wales. Pilots have circled their planes mid-flight to give their passengers a closer look at the phenomenon.
The smallest solar flares are designated A-class, followed by B, C, M and X, the largest, according to NASA. CMEs can also sometimes disrupt satellite operations and communication on Earth. On Tuesday, another solar flare erupted only a shade below “X-class,” according to EarthSky, although there was no accompanying CME. The latest uptick in geomagnetic activity has been driven by a “large and magnetically complex” sun spot region known as AR3234, according to the UK’s Met Office.
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