Is it really though? The benefit of space is it’s mostly empty and things stick to their trajectory due to not usually colliding with other things. A rock in

Is it really though? The benefit of space is it’s mostly empty and things stick to their trajectory due to not usually colliding with other things. A rock in the ocean is a thing inside another thing with tons of other things constantly acting on chaotically. I imagine it’s easier to track a big rock in empty space than a normal size rock inside a vat of water with a bunch of other rocks and a multitude of various life forms to boot