Wow, this is a great article. I just assumed that the sun's gravity would assist in pulling a payload in, making it less costly than trying to launch out of the

Wow, this is a great article. I just assumed that the sun's gravity would assist in pulling a payload in, making it less costly than trying to launch out of the solar system. Really, really, interesting. Edit: Just wanted to mention that disposing of nuclear material by trying to launch it into space is absurd, but the orbital mechanics of the problem are pretty interesting.