Complex sentence: The space tug is caught in the mothership's gravitational pull, which lifts objects from across Asia before dropping them all over Europe, killing millions, though the tug manages to escape before heading on to Area 51.
Split into simpler sentences: The space tug is caught in the mothership's gravitational pull, which lifts objects from across Asia. The debris falls all over Europe, where the tug manages to escape before heading on to Area 51.