How many trips to the temple do they make?

1. Initial trip were first contact causes numerous crew deaths infections. Because there is no storm when they get to the ship 2. 2nd trip were there is some kind of explosion (dust storm) that the crew is trying to out run. 3. Third trip where derelict ship is launched and Shaw is trying to get Prometheus to stop it. still trying to piece together the multiple explosions or dust storms. One shows Shaw on a vehicle. Another shows Shaw getting hit and thrown by the force of the explosion in or near the hanger.

http://www.prometheus-movie.com/community/forums/topic/2009 I made earlier some analysis, though people werent that interested in it. Still, they drive around a lot, as the vehicles change places quite often.