- One in ten orbiting satellites could be knocked out for days during a superstorm event
- Any that keep orbiting, could 'age', meaning they would need to be replaced
- GPS signals would be interrupted one to three days after the storm hit as satellite transmissions to the ground are disrupted
- Navigating officers in aircraft and ships would temporarily have to revert to old-fashioned "dead reckoning"
- Energetic particles from the blast could interfere with aircraft electronics
- A superstorm could end large induced currents through the electricity grid network, potentially causing blackouts
- For passengers on high flying aircraft, a superstorm would deliver a radiation dose equivalent to three CT scans, although below harmful levels, astronauts would be at risk
More top news
Mild in the south but colder in the north tonight and turning frosty and icy - before rain moves in.
ITV News' Tom Brady speaks to billionaire philanthropist Bill Gates about clean energy sources and a new $7bn green tech research fund.
A man accused of killing three people and wounding nine others in a shooting at an abortion clinic in Colorado has appeared in court.