Astronomy Picture of the Day
A Starry Night of Iceland
On some nights, the sky is the best show in town. On this night, the sky was not only the best show in town, but a composite image of the sky won an international competition for landscape astrophotography. The featured winning image was taken in 2011 over Jökulsárlón, the largest glacial lake in Iceland. The photographer combined six exposures to capture not only two green auroral rings, but their reflections off the serene lake. Visible in the distant background sky is the band of our Milky Way Galaxy and theAndromeda galaxy. A powerful coronal mass ejection from the Sun caused aurorasto be seen as far south as Wisconsin, USA. Solar activity over the past week hasresulted in auroras just over the past few days.
Image Credit: Stephane Vetter (Nuits sacrees); Rollover Annotation: Judy Schmidt
Read more on: apod.nasa.gov
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