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Helioseismology
CHF 49.55
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K1J9166GP8G
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Geliefert zwischen Mi., 26.11.2025 und Do., 27.11.2025
Details
Helioseismology is the study of the propagation of wave oscillations, particularly acoustic pressure waves, in the Sun. Unlike seismic waves on Earth, solar waves have practically no shear component. Solar pressure waves are believed to be generated by the turbulence in the convection zone near the surface of the sun.Certain frequencies are amplified by constructive interference. In other words, the turbulence "rings" the sun like a bell. The acoustic waves are transmitted to the outer photosphere of the sun, which is where the light generated through nuclear fusion at the centre of the sun, leaves the surface. These oscillations are detectable on almost any time series of solar images, but are best observed by measuring the Doppler shift of photospheric absorption lines. Changes in the propagation of oscillation waves through the Sun reveal inner structures and allow astrophysicists to develop extremely detailed profiles of the interior conditions of the Sun.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786130668891
- Editor Frederic P. Miller, Agnes F. Vandome, John McBrewster
- Genre Physik & Astronomie
- EAN 9786130668891
- Format Fachbuch
- Titel Helioseismology
- Herausgeber Alphascript Publishing
- Anzahl Seiten 104
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