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by acqq
3549 days ago
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As far as I understand, the Doppler shift can't be used to measure the distances of the stars in the Milky Way, but it is used to estimate the distance of the farthest galaxies, billions of light years away from the Milky Way. My other post here has the links about the parallax, the method that measures the actual distances of the stars around us. And then there's the Cosmic distance ladder: https://en.wikipedia.org/wiki/Cosmic_distance_ladder which includes the methods you described. |
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