You're on the right board, no worries.
At first I thought you were talking about the Gateway game, which is based off of a series of science fiction books that I like, but then I remembered that Gateway was an adventure game and I remembered the Homeworld you are referring to, which was a strategy game. And I in general really suck at the real-time ones. So, I know of it, but I've never played it.
Game on,
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"
He who is certain he knows the ending of things when he is only beginning them is either extremely wise or extremely foolish; no matter which is true, he is certainly an
unhappy man, for he has put a knife in the heart of wonder."
-- Tad Williams