Discusses Smith's plan for prevent an extinction level event, such as the Cretaceous–Tertiary extinction, including related topics such as the diffent categories of asteroids, their chemical composition and terraforming
Victor Koman, author of Kings of the High Frontier believes — and I agree with him — that NASA's unwritten mission is to keep ordinary private individuals out of space. The question — beyond the state's simple and insane desire to control everything and everyone — was always why. But it occurred to me when I first prepared this talk that we've always known why — those of us who read Heinlein's The Moon is a Harsh Mistress, that is. Somebody at NASA (or more likely the CIA or NSA) read it, too, and doesn't want ordinary private individuals dropping rocks on them the way Mike and Mannie did during the Lunar Revolution.