Is the sun going dark? Latest Nasa images reveal TWO giant holes - one covering almost 10% of the solar surface | Daily Mail Online: "Nasa has spotted a pair of huge 'holes' on the solar surface.
The larger coronal hole of the two, near the southern pole, covers an estimated 6 to 8-percent of the total solar surface, 142 billion miles - making it one of the largest polar holes scientists have observed in decades."
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