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Wat (wie) is PERTURBATIONS - definitie
WIKIMEDIA DISAMBIGUATION PAGE
Perturbations; Perturb; Perturberation; Perturbation (disambiguation); Perturbance
Perturbation (astronomy)
![Mercury]], [[Venus]], [[Earth]], and [[Mars]] over the next 50,000 years. The 0 point on this plot is the year 2007.](https://commons.wikimedia.org/wiki/Special:FilePath/Eccentricity rocky planets.jpg?width=200 "Mercury]], [[Venus]], [[Earth]], and [[Mars]] over the next 50,000 years. The 0 point on this plot is the year 2007.")
![Mercury]]'s orbital longitude and latitude, as perturbed by [[Venus]], [[Jupiter]] and all of the planets of the [[Solar System]], at intervals of 2.5 days. Mercury would remain centered on the crosshairs if there were no perturbations.](https://commons.wikimedia.org/wiki/Special:FilePath/Mercury perturbation comparison.png?width=200 "Mercury]]'s orbital longitude and latitude, as perturbed by [[Venus]], [[Jupiter]] and all of the planets of the [[Solar System]], at intervals of 2.5 days. Mercury would remain centered on the crosshairs if there were no perturbations.")
COMPLEX MOTION OF A MASSIVE ASTRONOMICAL BODY
Orbital Perturbation; Gravitational perturbation; Gravitational perturbations; Orbital perturbation analysis; Perturbations (astronomy); Orbital perturbation analysis (spacecraft)
In astronomy, perturbation is the complex motion of a massive body subjected to forces other than the gravitational attraction of a single other massive body.Bate, Mueller, White (1971): ch.
perturb
¦ verb
1. make anxious or unsettled.
2. alter the normal or regular state or path of (a system, moving object, or process).
Derivatives
perturbable adjective
perturbative adjective
Origin
ME: from OFr. pertourber, from L. perturbare, from per- 'completely' + turbare 'disturb'.
perturbation
(perturbations)
1.
A perturbation is a small change in the movement, quality, or behaviour of something, especially an unusual change. (TECHNICAL)
...perturbations in Jupiter's gravitational field.
N-VAR
2.
Perturbation is worry caused by some event. (FORMAL)
This message caused perturbation in the Middle East Headquarters.
= alarm
N-UNCOUNT
Wikipedia
Perturbation
Perturbation or perturb may refer to:
- Perturbation theory, mathematical methods that give approximate solutions to problems that cannot be solved exactly
- Perturbation (geology), changes in the nature of alluvial deposits over time
- Perturbation (astronomy), alterations to an object's orbit (e.g., caused by gravitational interactions with other bodies)
- Perturbation theory (quantum mechanics), a set of approximation schemes directly related to mathematical perturbation for describing a complicated quantum system in terms of a simpler one
- Perturbation (biology), an alteration of the function of a biological system, induced by external or internal mechanisms
- Perturbation function, mathematical function which relates the primal and dual problems
Voorbeelden uit tekstcorpus voor PERTURBATIONS
1. In principle, we can do that, that is we have the scientific know how to design such perturbations.
2. "The case that I saw for four–plus years was a case I have never seen in my studies of aberrations, bastardizations, perturbations, changes to the national security decision–making process," Lawrence B.
3. Both cloning and parthenogenesis create cells with perturbations, and it is entirely possible that these will mean cloned stem cell lines are not suitable for therapy or research models.
4. "The impact of the Sept. 11 terrorist attacks on New York and Washington and the U.S. response –– operations Enduring Freedom and Iraqi Freedom –– have created perturbations in the relationship that are still working themselves out.
5. Senior researcher Dr Deborah Muoio said: "Obesity and Type 2 diabetes are strongly associated with abnormal lipid metabolism and the accumulation of fat droplets in muscle, but the underlying causes of these perturbations have been unknown.