You're thinking of an entirely different place, yagami.
You are referring to the dyson sphere, i'm referring to the nomad lair. The nomad lair is a small structure in the unknown system, looks kinda like a bloated pancake. During the singleplayer campaign you have to fly inside the nomad lair and use your tractor beam to retreive the nomad power cell at the center of it, then fly out before it blows up. It's one of those few timed missions =P
I know what i'm talkin about "mate", I've had an order character for over 6 months now and explored every system on that side of sirius :P