How does dead space 2 taked place on the sprawl

There is a video on YouTube that will help you understand. Type "Dead Space 2: Story Trailer" in the search box.

*Spoiler Alert*
At the end of Dead Space, Engineer Isaac Clarke escapes off the planet Aegis VII in a shuttle. As he drifts in space, he is found by a patrol and taken aboard the Sprawl. A massive city-like space station orbiting Titan, one of Saturn's largest moons.
*End of Spoiler*