Hotting up: Sun wakes up from sleep for busiest sunspot cycle in years and threatens to disrupt Earth communications and power
Last updated at 12:11 PM on 8th June 2011
- Geomagnetic storm activity expected from around 6pm and could last 24 hours
- Possible disruption to power grids and satellites
- Flights over polar regions face being rerouted
This astonishing sequence of images shows a dramatic 'flare' bursting out from the sun which could affect satellite communications and power supplies here on Earth.
The spectacular development unleashed a radiation firestorm on a level not seen for five years which is expected to cause a 'moderate' geomagnetic storm when it reaches Earth.