That's why you buy all that stuff, instantly turning the planet into the research capital of the universe.

Now you just have to wait 300+ turns for everything to build, and rake in that sweet sweet research income!
... Waddayahmean we finished the tech tree on turn 250? The planet isn't done building the Research yet! :V

It will be, I'd just colonized it a few turns earlier.

that's quite a planet