A spectrograph measures the Doppler effect of stars., True, False, As a star moves away, the light waves appear red., True, False, Shorter light waves are red., True, False, The Doppler effect causes the pitch of a sound to change as it moves closer., True, False, The Doppler effect only uses light., True, False, Scientists can tell how fast a star is moving by the size of the star., True, False, The Doppler effect uses the wavelength of sound or light., True, False

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