But he's clearly throwing the ball into the ocean, not off the edge of the earth and he is clearly on rock not ice. Unless ............ maybe space looks like a giant cosmic ocean complete with waves, and what if the ice wall isn't ice at all, what if it's a rock wall and the government just paints it white so we think it's cold so we don't to go and check it out because we believe without a lot of equipment we'll freeze. Oh my god, this is huge, I need to go do some research.