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Portable Network Graphic  |  2003-02-25  |  49.4 KB  |  430x418  |  16-bit (637 colors)
   ocr: SOLAR PHENOMENA The science studying wave oscillations in the Sun is called helio- seismology. One can view the physical processes involved, in the same way that seismologists learn about the Earth's interior by monitoring waves caused by earthquakes. lemperature, composi- tion, and motions deep in the Sun influence the oscillation periods and yield insights into conditions in the solar interior.