doubleofive said:
The episodes are 16:9 (HDTV ratio) originally, not 2:35:1 (film ratio).

I respectfully disagree. I compared screen caps, and the opening of the Sky HD version shows all the stars that CN shows (i.e. full height), plus more on both sides. I sincerely doubt the creators would make a 2.35:1 opening starfield for release to British TV, and then crop the show itself. It's probably possible to confirm this by comparing some shots from the show -- something I might do tonight.

Just because I'm that big a nerd, yo.