Earth was set to be struck by more powerful solar storms on Saturday, a day after the most extreme events in two decades triggered spectacular celestial light shows from Tasmania to Britain and threatened possible disruptions to satellites and power grids.
The first of several coronal mass ejections (CMEs) — expulsions of plasma and magnetic fields from the Sun — came just after 16:00 GMT Friday, according to the US-based National Oceanic and Atmospheric Administration (NOAA)’s Space Weather Prediction Center.
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