Code names for Softimage release through the years.
Thanks to Luc-Eric for the suggestion and the information.
Hubble (reference models), Big Bang (handling large number of objects), Spliff (new shader IDE authoring environment) were projects that were developed independently of any release and then merged into a release when they were ready.
Moondust was the node-based particles project that grew into ICE.
Stardust and Apollo were projects that never came to fruition or were folded into other work.
Text version of the codename listing: