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From agage@mines.edu:
I'd suggest turning on anti-aliasing and maybe zooming in a bit -- the middle
object is hard to see.

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From bill.marrs@pureatria.com:
Details, close-ups, not so much blue-space would have helped this image

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From cfusner@enter.net:
Worthy choice of subject for such a competition, but the image is 
lacking, I'm afraid. The planet and satelite could have used a bit
more "rigging" to show they were museum pieces. Either one of those
mechanical gimmicks where the satelite is revolved on a metal arm, or
since you said it is a futuristic museum, perhaps some mechanism that
implied the model was being held up by magnetic repulsors, or antigrav
or something. The prism's spectrum: try using halos to "fake" the
splitting of light beams into colors. The cradle was well done. As
for the portrait: good choice of image map. Picture could use a 
frame, though. And the image seriously needs some antialiasing in its
final form. 

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From alex@astro.queensu.ca:
the main attraction is an image map, not the raytracing aspect