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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.
Aurora and Fireball Over Norway
Explanation: What's happening behind that mountain? A convergence of variable sky spectacles. One night in mid-September near Troms , Norway , high red aurora could be seen shimmering through lower green aurora in a way that created a striking and somewhat unusual violet glow. Suddenly, though, the sky flashed with the brightest fireball the astrophotographer had ever seen, as a small pebble from outer space violently crashed into the Earth's atmosphere . The glow illuminated the distant mountain peak known as Otertinden of the Lyngen Alps . The bright meteor , which coincidently disappeared behind the same mountain, was also reflected in the foreground Signalelva River. Although you might consider yourself lucky to see either an aurora or a bright meteor, pictures of them together have been recorded several times previously .
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| Date | October 5, 2012 |
|---|---|
| Credit | Image Credit & Copyright: Ole C. Salomonsen ( Arctic Light Photo ) |
| Authors & editors: | Robert Nemiroff (MTU) & Jerry Bonnell (UMCP) |
| A service of: |
ASD at NASA / GSFC, NASA Science Activation & Michigan Tech. U. |