I had to look it up... https://en.m.wikipedia.org/wiki/Kessler_syndrome https://en.m.wikipedia.org/wiki/Kessler_syndrome The Kessler syndrome (also called the

I had to look it up... https://en.m.wikipedia.org/wiki/Kessler_syndrome https://en.m.wikipedia.org/wiki/Kessler_syndrome The Kessler syndrome (also called the Kessler effect,[1][2] collisional cascading or ablation cascade), proposed by the NASA scientist Donald J. Kessler in 1978, is a scenario in which the density of objects in low Earth orbit (LEO) is high enough that collisions between objects could cause a cascade where each collision generates space debris that increases the likelihood of further collisions.