quarta-feira, 22 de outubro de 2014

Aurora borealis lights up the UK | The Times

Aurora borealis lights up the UK | The Times: "Aurora borealis lights up the UK"

An aurora is seen on the horizon behind Bamburgh Lighthouse in Northumberland

A spike in geomagnetic activity has given starwatchers a rare chance to capture the aurora borealis - more commonly known as the northern lights - over relatively southern parts of the UK.
The phenomenon is caused by electrically charged particles shooting out from the Sun, battering into the Earth’s magnetic field and exciting gases in the upper atmosphere.

'via Blog this' The Honourable Schoolboy

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