ANN's Daily Aero-Term (04.02.09): Radial Pulsation | Aero-News Network
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Thu, Apr 02, 2009

ANN's Daily Aero-Term (04.02.09): Radial Pulsation

Aero-Terms!

Aero-Terms are designed to be a daily reminder of the terms, names, acronyms and explanations of the unique language that populates the aviation world. Aerospace, sport aviation, fixed wing, helo, you name it... it's all fair game.

Aero-Terms should serve as a quick but intriguing reminder of the terms you may use every day, or an introduction to an aspects of the Aero-World you may not yet be familiar with. ANN also encourages readers to go beyond the FMI link, and further research any intriguing terms.

Suggestions for future Aero-Terms are ALWAYS welcome, as are additions or discussion of the explanations given for each Aero-Term.

Radial Pulsation

A pulsation in which a star oscillates around an equilibrium state by changing its radius while maintaining a spherical shape. The radial pulsation is just a special case of non-radial pulsation, in which some parts of the stellar surface move inward, while others move outward at the same time.

FMI: www.univie.ac.at/tops/dsn/texts/nonradialpuls.html

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