Say the earth is a smooth featureless sphere and there are 36000 basketballs bouncing around, and say they all broke into 100 tennis ball size fragments. You’d

Say the earth is a smooth featureless sphere and there are 36000 basketballs bouncing around, and say they all broke into 100 tennis ball size fragments. You’d still never expect to run into a single one. And that’s on the surface, there’s a lot more space up in space.