I slutet av filmen
Iron Man grabs and steers the nuclear missile through the open portal. At the time just before the suit malfunctions due to atmosphere/cold, his thrusters are firing him towards the Chitauri ship.
och
Objects in space continue moving in the same direction unless new force is applied. Wouldn't he have just kept traveling towards the Chitauri ship, or does Earth's gravity somehow exert itself through the portal?
Dynamiken i Tesseract / cosmic-kuben är inte lätt att definiera, men det verkar som att ändra rymdtid tillräckligt för att ansluta två punkter på ett sätt som liknar ett maskhål.
Evidence suggests the gravitational effects of Earth can be felt through the portal. Since the portal was a disruption in space time, it may have had its own gravity well in addition to Earth's gravity. Stark fell at a rate consistent with (or perhaps) even faster than normal gravity.
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