A strong dose of space weather is forecast to hit Earth Friday, potentially disrupting satellite communications and posing a threat to power grids on Earth. The event also presents a nice opportunity for anyone to view sunspots, though safe viewing techniques must be employed to prevent eye damage
THE STORM of charged particles was unleashed by a dark region on the solar surface called Sunspot 484. The huge spot, about the size of Jupiter’s surface, has been growing for several days and rotating into a position that now points squarely at Earth.
Another giant sunspot is brewing, and more storms could be generated.
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