Angry Birds Star Wars Bonus Level #10 (S-10) is unlocked by accumulating a total of 640 stars. Once you have accomplished this task, you will be prompted to play the level right then and there, or, you can access it via the “Bonus Episode”. To 3-star S-10, aim C-3PO just above the peak of the crane, exploding him directly above the asteroid and destroying the right side of the level. Send another C-3PO lower, into the ship, pushing it down into the gravitational field.
Go back to the Complete Star Wars Golden Droids & Bonus Level Guide. If you have a different strategy feel free to leave a comment below; however, don't just post your score via the comments, as that's what the leaderboards are for.