Asteroids and meteorites, along with comets, are regarded as left-overs from the raw ingredients of the early solar system, uncooked by any planet-forming processes.
For the 12, 000-seat basketball arena, architects at Wilkinson Eyre devised a rapidly erected steel-frame system shrink-wrapped with a white PVC skin, the curved steel stretchers forming a pattern of alternating diagonal projections on the outside.
If hydrates remain a problem, the smaller size will be easier for BP to circulate antifreeze-like methanol through the system, keeping the hydrates from forming.