The way to do this is to make it profitable to worry about it.<p>Some say that certain asteroids are worth trillions.  While they&#x27;re probably not worth quite that much, they&#x27;re a pretty penny.  Investors might be interested in a company designed to capture and harvest asteroids.<p>It will probably take a few centuries before that&#x27;s a possibility, but it&#x27;s interesting that it&#x27;s probably just a matter of time before it doesn&#x27;t sound so crazy.