What does asteroseismology mean?
Definitions for asteroseismology
This dictionary definitions page includes all the possible meanings, example usage and translations of the word asteroseismology.
The study of the pulsating stars.
Etymology: ἀστήρ (star) + (earthquake) + -logy
Asteroseismology or astroseismology is the study of oscillations in stars. Stars have many resonant modes and frequencies, and the path of sound waves passing through a star depends on the speed of sound, which in turn depends on local temperature and chemical composition. Because the resulting 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 pulsation 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.
Asteroseismology also known as stellar seismology is the science that studies the internal structure of pulsating stars by the interpretation of their frequency spectra. Different oscillation modes penetrate to different depths inside the star. These oscillations provide information about the otherwise unobservable interiors of stars in a manner similar to how seismologists study the interior of Earth and other solid planets through the use of earthquake oscillations. Asteroseismology provides the tool to find the internal structure of stars. The pulsation frequencies give the information about the density profile of the region where the waves originate and travel. The spectrum gives the information about its chemical constituents. Both can be used to give information about the internal structure. Astroseismology effectively turns tiny variations in the star's light into sounds.
The numerical value of asteroseismology in Chaldean Numerology is: 5
The numerical value of asteroseismology in Pythagorean Numerology is: 1
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"asteroseismology." Definitions.net. STANDS4 LLC, 2023. Web. 26 Mar. 2023. <https://www.definitions.net/definition/asteroseismology>.
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