A sunspot, 62,000 miles across - so big it would dwarf the Earth - is releasing gigantic solar flares that could in theory wreak havoc with electrical communications ranging from handheld electronics such as iPhones to sections of the power grid. Nasa has detected two X-class solar eruptions from 1302 – the most extreme possible – in the past week. One that occurred on September 24 produced an amazing light show over England last night – but it’s far from over, as the sunspot isn’t yet directly aligned with Earth.
NASA experts have said 'anything electrical' can be affected by such activity. link
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