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Title: Explain how the Doppler Effect has been used to detect invisible planets orbitin Post by: ppk on Nov 25, 2011 Explain how the Doppler Effect has been used to detect invisible planets orbiting other Sun-like stars.
Title: Re: Explain how the Doppler Effect has been used to detect invisible planets orbitin Post by: how_mendel on Dec 3, 2011 Content hidden
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