As a lover of all things space I enjoy reading a wide variety of perspectives. The more different the origin, the more likely I am to learn something new! Even in articles which contain errors or elements of confusion, there’s still a good chance that I’ll encounter a new way of thinking about an issue.
This is important. Space is hard, and it’s also hard to reason about. Humans often prefer reasoning by analogy, but with very few exceptions, reasoning by analogy in space is always wrong. So we need to find other ways to reason about space systems, architectures, mission concepts, and past history in a way that lets us derive the full learning value while avoiding the traps of lazy thinking. A robust commentariat is an essential part of training to think deep thoughts in space.
On the other hand, I am increasingly troubled by the persistence of…
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