If it erupts, the resulting solar storm will send particles at super speed crashing towards earth cutting off electricity supplies, telephone signals and computer systems, they said.
The Met Office said it is watching a sun spot which is currently thought to be the biggest detected in 25 years.
A spokesman said: “The Met Office Space Weather Operations Centre is currently monitoring the biggest sun spot in this 11-year solar cycle, so big that it’s about the size of Jupiter or 11 times bigger than the Earth .... http://www.express.co.uk
