Homegrown 3D Hypercosmic Nebulae

This might accurately portray what I'd have in mind if I were to imagine a gently exploding, evolving depiction of a SparkBox.

Magnetosphere is 92 MB of wide-screen (screen cap above has been edited to fit) streaming goodness by Robert Hodgin. He's got some more killer stuff on his Flight404 blog. (via John Nack's Adobe blog)