![](http://www.alamy.com/thumbs/6/13EC7F97-B356-42F9-8C1F-1FB52DF072DC/D4B12H.jpg)
Activity at Mt. Etna
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Photo credit: © NG Images / Alamy / Afripics
License: Licensed
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Keywords: ash, astronomy, center, crater, eruption, etna, flight, goddard, goddardspaceflightcenter, italy, lava, mount, mountetna, nasa, planets, rockets, space, stars, volcano