Radiation levels in a belt depend on the distance to the outer border of the belt.
Radiation levels in a belt depend on the distance to the outer border of the belt.

This replaces the current implementation with an exponential function, which allows for bigger radiation fields.

See https://www.desmos.com/calculator/xnnvp74ake

PiezPiedPy/Kerbalism,PiezPiedPy/Kerbalism,PiezPiedPy/Kerbalism