A spectral line in the light from a star show a shift towards the red of the spectrum . if the shift is 0.03% calculate the velocity of region of the star
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Redshift and blueshift describe how light shifts toward shorter or longer wavelengths as objects in space (such as stars or galaxies) move closer or farther away from us. ... When an object moves away from us, the light is shifted to the red end of the spectrum, as its wavelengths get longer
If a star is moving toward or away from us, its lines will be in a slightly ... In Figure 1a, the light source ( S) is at rest with respect to the observer. ... Solving this equation for the velocity, we find v = c × Δλ/λ.
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