and again, 5612 foundation, rusty schweikert and ed lu and other people, and clark chapman southwest research institute who is an aerospace guy, they've talked about this for years and that's exactly right. you can deflect it by touching it or not by touching it. because it's so far out. again, at those distances if you move it a couple of yards where it is 20 years out, it will miss the planet by many, many, many miles. so distance is on your side. >> host: i mean, the earth is only 4000 miles in radius so you don't have to move much more than that and you're missing the planet altogether, right? and gesticulate that over decades, you don't have to move it too much while you are there for that to just continue. >> guest: that's right. .. the. >> guest: unless, of course, you were an art major. you might like that. seriously, no. it is unnecessary. just imagine it off course and worst comes to worst, but away. painting and colors is senseless . >> host: the sorts of things to affect asteroids but over thousands and millions of years. do the math. do we know enough about * to be blowi