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26 August, 12:34

You discover a Cepheid variable star with a 30 day period in the Milky Way. Through careful monitoring for a few years with the Hubble Space Telescope, you determine that it has a parallax of 0.004 arcseconds. How distant is this Cepheid variable star in parsecs?

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  1. 26 August, 12:40
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    Answer:c

    Explanation:

    Bc it makes sense
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