[Space] Making a solar system with 3 (semi-) habitable planets?

[Anthony]

Originally Posted by vicky_molokh

Aren't exclusion zones roughly comparable to to Orbit×1.4 and Orbit/1.4? (I.e. vaguely less, such that at a ratio of 1.4 is more-or-less safe from the other orbital body's gravity.) I thought those numbers come from laws of astrophysics, not made up in G:Space. Are they real-life or not?

They are empirically observed ratios, and scale in some way with the mass of the planet, since Ceres fails to clear its orbit.