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seismic waves

(waves broadcast from earthquakes)

Seismic waves are the waves consisting of the propagation of the deformations of an earthquake. Their study (seismology) has been a key to what is known about the Earth's internal structure.

By analogy, the term is used for similar waves in other bodies: planets, moons and stars (asteroseismology, and in the case of the Sun, helioseismology).


(geology,Earth,helioseismology,planets,stars)
http://en.wikipedia.org/wiki/Seismic_wave
http://en.wikipedia.org/wiki/Seismology
http://en.wikipedia.org/wiki/Helioseismology

Referenced by:
asteroseismology
MOST
spherical harmonics

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