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They employed a tool called the fast Lyapunov indicator (FLI), usually used to detect chaos. Since chaos in the Solar System is linked to the existence of stable and unstable manifolds, on short timescales, the FLI can capture traces of manifolds, both stable and unstable, of the dynamical model it's applied to.

Wow. My first thought when I saw the picture that it really looked very fractal in nature. Then they mention the above. Lyapunov are a class of fractals easily generated with a program like 'fractint'. Very cool.

35 posted on 12/11/2020 8:39:58 AM PST by zeugma (Stop deluding yourself that America is still a free country.)

Maybe we live in a Fractal Universe.................

Maybe we live in a Fractal Universe.................
Maybe we live in a Fractal Universe.................
Maybe we live in a Fractal Universe.................
Maybe we live in a Fractal Universe.................

36 posted on 12/11/2020 8:42:03 AM PST by Red Badger ( “The goal of socialism is communism.”... Vladimir Lenin)