Judging by the artefacts in the video, I'd say this is actually a series of photo's morphed together. Very cool and all, but probably based on only a dozen photos.<p>EDIT: 29 frames in fact. Here's another version with less morphy processing done on it: <a href="http://science4grownups.com/archives/2009/06/26/news/iss-astronauts-capture-sarychev-eruption-714" rel="nofollow">http://science4grownups.com/archives/2009/06/26/news/iss-ast...</a>