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The Doppler Effect

The Doppler Effect. The perceived change in wavelength of a wave that is produced by a source that is moving away or toward a source . In Astronomy , the Doppler effect is used to:. Determine whether a star or other body in space is moving away or toward Earth.

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The Doppler Effect

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  1. The Doppler Effect

  2. The perceived change in wavelength of a wave that is produced by a source that is moving away or toward a source.

  3. In Astronomy , the Doppler effect is used to: • Determine whether a star or other body in space is moving away or toward Earth. • A star that is moving away appears redder (longer wavelength). • A star moving towards Earth appears blue (shorter wavelength)

  4. Briefly summarize the relationship between Doppler shift and the speed of a moving object. • What can you infer about a star that exhibits a red shift in its spectra?

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