### Lyapunov time

(timescale over which a dynamical system is chaotic)

The **Lyapunov time** of a dynamical system is the
timescale over which it is chaotic.
An example of such a system in astronomy is a system
of orbiting bodies, such as the Earth and the Moon.
The **Lyapunov exponent** is its inverse.

Some calculated examples:

(*physics,dynamics,mathematics,chaos,timescale*)
**Further reading:**

https://en.wikipedia.org/wiki/Lyapunov_time

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