Aka Kessler syndrome [0] or neutron flux / cross-section (and associated equations, if you want to model it that way) [1]. [0] https://en.m.wikipedia.org/wiki/

Aka Kessler syndrome [0] or neutron flux / cross-section (and associated equations, if you want to model it that way) [1]. [0] https://en.m.wikipedia.org/wiki/Kessler_syndrome https://en.m.wikipedia.org/wiki/Kessler_syndrome [1] https://en.m.wikipedia.org/wiki/Neutron_flux https://en.m.wikipedia.org/wiki/Neutron_flux