This guide from Nasa explains what happens when the powerful magnetic fields in and around the sun reconnect, which could lead to a "solar superstorm".
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Weather finally looking up this week.
If Donald Trump wins here tonight, it is a near-fatal blow to his rivals. Ted Cruz and John Kasich will be under pressure to drop out.
The youngsters have been split up with some placed into foster care, others put up for adoption and some staying with relatives.