The Doppler effect
- Created by: Rebecca Topliss
- Created on: 03-06-13 15:24
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Astronomers began to look at the spectra of stars in other galaxies during the 20's. They noticed that the spectra looked very similar to that of our own galaxy. However, all the features present were shifted by the same relative amount toward the red end of the spectrum - red shift. This is due to the relative motion of the stars and our planet due to the doppler effect. An observer receiving…
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