Concept information
Término preferido
Lindblad resonance
Definición
- A Lindblad resonance, named for the Swedish galactic astronomer Bertil Lindblad, is an orbital resonance in which an object's epicyclic frequency (the rate at which one periapse follows another) is a simple multiple of some forcing frequency. Resonances of this kind tend to increase the object's orbital eccentricity and to cause its longitude of periapse to line up in phase with the forcing. Lindblad resonances drive spiral density waves both in galaxies (where stars are subject to forcing by the spiral arms themselves) and in Saturn's rings (where ring particles are subject to forcing by Saturn's moons). (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Lindblad_resonance)
Concepto genérico
En otras lenguas
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francés
URI
http://data.loterre.fr/ark:/67375/MDL-ZBRFHL23-1
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