Asteroseismology | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-10-04

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Asteroseismology


00:00:37 1 Theoretical background
00:06:14 2 Excitation mechanisms
00:06:24 2.2 Surface convection
00:07:49 2.3 Convective blocking
00:08:18 2.4 Tidal excitation
00:08:53 3 Types of oscillators
00:09:16 3.1 Solar-like oscillators
00:09:26 3.2 Cepheid variables
00:09:57 3.3 RR Lyrae variables
00:10:42 3.4 Delta Scuti and Gamma Doradus stars
00:11:24 3.5 Rapidly oscillating Ap (roAp) stars
00:12:41 3.6 Slowly-pulsating B stars and Beta Cephei variables
00:13:25 3.7 Variable subdwarf B stars
00:14:04 3.8 White dwarfs
00:14:43 4 Space missions
00:15:52 5 References



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SUMMARY
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Asteroseismology or astroseismology is the study of oscillations in stars.  Because a star's different oscillation modes are sensitive to different parts of the star, they inform astronomers about the internal structure of the star, which is otherwise not directly possible from overall properties like brightness and surface temperature.  Asteroseismology is closely related to helioseismology, the study of stellar oscillations specifically in the Sun.  Though both are based on the same underlying physics, more and qualitatively different information is available for the Sun because its surface can be resolved.