The largest sunspot in the past 24 years, AR 2192, still remains mystifying to the scientists. Now the giant sunspot, comparable to the size of Jupiter, is no longer visible from Earth’s surface as it has rotated away from our planet. AR 2192 ranks as the 33rd largest among all the 32,908 identified since 1874. It generated four major solar flares along with a number of minor ones when it faced the Earth. The sunspot could be easily observed from Earth even without magnification, just the eclipse glasses were needed to prevent eye damage.
The behavior of this particular sunspot has been largely perplexing. Astronomers couldn’t find an explanation behind its enormous enlargement and the absence of coronal mass ejections (CMEs) which refers to the massive plasma explosion often observed on the Sun’s surface, produced by similar active ...
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