Rationalizing a Firefly - Serenity type setting

[Anaraxes]

Originally Posted by David Johnston2

It's impossible. That has nothing to do with planetary formation but just orbital dynamics and thermodynamics.

See Gadget's link in post 45. Designed by an astronomer, a system containing 60 worlds in the habitable zone stable over billion-year timescales. The orbital dynamics are possible. We'll have to retreat to planetary formation to claim that it can't happen without purposeful design.