PERTURBATION

Perturbation

In astronomy, perturbation is the complex motion of a massive body subject to forces other than the gravitational attraction of a single other massive body.

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perturbation

Noun

  1. Agitation; the state of being perturbed
  2. A small change in a physical system, or more broadly any definable system (such as a biological or economic system)
  3. Variation in an orbit due to the influence of external bodies


The above text is a snippet from Wiktionary: perturbation
and as such is available under the Creative Commons Attribution/Share-Alike License.

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