> a) Why would aliens expend the enormous energy required to engineer this? Maybe they built the system, and being lazy like we are they chose some simple numb

> a) Why would aliens expend the enormous energy required to engineer this? Maybe they built the system, and being lazy like we are they chose some simple numbers > b) Isn't it vastly more likely to occur naturally as some sort of resonance effect? Alien intelligence may be less likely than a natural effect, but alien intelligence in this system is much more likely than in a random system.