Where did the galaxy live wallpaper go in ICS? Since I've upgraded to Ice Cream Sandwich on my Nexus S, the galaxy live wallpaper -  which was part of Android - is gone.

Can I get the exact same live wallpaper for ice cream sandwich? It looks something like this:
You can try to switch your current live wallpapers with the Gingerbread pack the Nexus S came with. This will need your device to be rooted though.

As seen on this topic on xda-developers, you can use Root Explorer (or any other application that can get into the android filesystem, like Root Browser Lite) to switch your with livewallpaper.apk file located on system/app with this one, which contains the stock Gingerbread live wallpapers from the Nexus S, and possibly the one you're looking for.

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Also, there's some really similar live wallpapers available on the Market, including one called Galaxy Core 3D LiveWallpaper, which looks almost like the one you're looking for.