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Explain why some stars in the milky way galaxy have a blue shift Doppler effect and other stars in the milky way have a red shift Doppler?
Wiki User
∙ 13y ago
A blue-shift means an object is moving towards us, a red-shift means it is moving away from us. Blue-shift and red-shift are changes in frequency of the light we receive, due to the relative movement. This is called the Doppler effect.
Wiki User
∙ 13y ago
Wiki User
∙ 8y agoRedshift and blueshift are indicators of motion. A redshift means that a star is moving away from us while a blueshift means it is moving toward us.
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