Aurora over Cumbria 5/6th August 2011 Credit: Raymond Gilchrist
On the evening of the 5th of August 2011 the Aurora Borealis, Northern Lights were seen as far South as Southern England! At approximately 18:00 Universal Time (19:00 BST) the Earth’s magnetosphere was hit by a coronal mass ejection from the sun, triggering a powerful geomagnetic storm and Aurora.
This storm measured 8 on the K index (aurora richter scale) which ranges from 0 – 9 so this was a big storm.
Read More: http://www.universetoday.com/87988/recent-active-sun-prompts-stunning-auroras-over-england/
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