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APOD
Astronomy Picture of the Day
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
A Starry Night of Iceland
Explanation: 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 Jkulsrln , 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 the Andromeda galaxy . A powerful coronal mass ejection from the Sun caused auroras to be seen as far south as Wisconsin , USA. Solar activity over the past week has resulted in auroras just over the past few days.
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| Date | January 3, 2016 |
|---|---|
| Credit | Image Credit: Stephane Vetter ( Nuits sacrees ); Rollover Annotation: Judy Schmidt |
| Authors & editors: | Robert Nemiroff (MTU) & Jerry Bonnell (UMCP) |
| A service of: |
ASD at NASA / GSFC, NASA Science Activation & Michigan Tech. U. |