Aurora Borealis or the northern lights were spotted over parts of UK. The lights have been visible as far as Essex, where the spectacle is a usual sight.
The lights have been also seen in Norfolk on the west coast, and in South Wales. The alerts are posted on Twitter by the AuroraWatch UK, a group run by the Space Physicists at Lancaster University. They make people aware of the Northern Lights and their visibility. The northern lights have been sighted in many places of Scotland and northern England at around 9pm on Thursday, 27.02.14.
The ethereal light displays are caused by collisions between electrically charged particles from the sun that enter into the earth’s atmosphere. They are most common above the magnetic poles of the northern and southern hemispheres, where they are known as aurora australis.
Northern Lights generally appear as spectacular waves or streaks of pale green and pink, but shades of red, yellow, blue and violet have also been spotted by stargazers.
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