Tier: Low 5-B, possibly higher Name: Theia Impact or the Giant Impact Hypothesis Origin: Real Life Type: A possible event in the past (Collision of Earth with a smaller planet) Powers and abilities: It was a possible event, and if occurred, it explains the origin of the moon. It would have been so massive that it's debris got flung in a direction away from the earth, which eventually formed the moon. It also likely damaged most of the hemisphere which it impact and destroyed the small planet that collided with earth.