Scanning the comments on the YouTube posting of my conversation with Nate Hagens and DJ White on the subject of space fantasies, one finds some familiar reactions. For the most part, comments expressed appreciation for the refreshing push-back against prevalent space hype. But a few, predictably, intoned that it is we naysayers who are delusional: of course we’re going to space, and those like myself saying otherwise will join the embarrassing heap of vision-challenged fossils littering history.

This post offers a framework for evaluating levels of faith in future projections. A tremendous asymmetry enters, which merits some awareness.

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