NASA Notices Largest Sunspot in Decades

October 24, 2014 3:06 PM

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Just last weekend, NASA's Solar Dynamic Observatory (SDO) caught sight of a gigantic dark blemish marring the surface of the Sun. This blemish, called a "sun spot," is the largest seen in this current solar cycle, covering a surface area that could swallow 10 Earth's whole.

The new sunspot in question is nearly 80,0000 miles across, according to NASA. Massive sunspots like these are so large that they can be noticed by the naked eye, and were even regularly recorded by ancient Chinese astronomers by 28 BC.

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