== Stupidity of the twist == 

 Ah, this might not strike most maintainers of this article as particularly relevant, but I was wondering if there was any reviews which underlined the sheer stupidity of the plot "twist"?  Anyone that's taken a first year, extremely basic course in differential equations (enough to solve Poisson's equation) can see from the very first chapter how the resolution is going to play out; it beggars belief that an entire spacefaring civilisation wouldn't come to the same conclusion in about five seconds.  Especially with the stupid and unnecessary hint about "water moons".  I accept that I might not be the target audience for the book, but it puts a quite different complexion on things when you have to assume every single character is severely mentally impaired.