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Aurora and tall trees

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October 4, 2013

Photo credit: Thomas Kast - Kalamapaja — Aurora and trees, captured on October 2, 2013 in Finland. Photo copyright Thomas Kast. See more photos by Thomas Kast at www.salampaja

Earlier this week – on October 2, 2013 – a coronal mass ejection struck Earth’s magnetic field. It created a G2-class geomagnetic storm and filled Earth’s northern skies with auroras. Thomas Kast in Finland posted this photo on EarthSky’s Facebook page. He wrote:

Last night (2 October 2013) was a special aurora night and this is only one photo of many. For a long time I wanted to capture auroras with a field of sparse tall trees. The huge layer of faint green in the sky brought out the silhouettes even better than I hoped for. At times it was very foggy as you can see at the bottom. What an amazing atmosphere it was.

Thank you, Thomas!

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October 4, 2013

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Eleanor Imster

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About the Author:

Eleanor Imster has helped write and edit EarthSky since 1995. She was an integral part of the award-winning EarthSky radio series almost since it began until it ended in 2013. She and her husband live in Tennessee, where they enjoy guitar playing and singing. They have 2 grown sons.