Strongest solar storm in decades hits Earth - as Northern Lights to return to parts of UK tonight
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![Strongest solar storm in decades hits Earth - as Northern Lights to return to parts of UK tonight](https://e3.365dm.com/24/05/1920x1080/skynews-edinburgh-northern_6550132.jpg?20240511130548)
Earth has been rocked by the first extreme geomagnetic storm in two decades, creating a spectacular light show in UK skies and other parts of the Northern Hemisphere - but also posing a threat to communication networks, navigation systems and power grids.