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Can a radius of curvature be calulated from omega-k?

  1. Apr 19, 2015 #1
    A 2013 paper ( http://arxiv.org/pdf/1312.4854v1.pdf ) gives the following: Ωk = 0.0010 ± 0.0029. Can a value for the radius of curvature be determined from Ωk = 0.0010? If so, what is it, and what is the formula? If not, why not?
     
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  3. Apr 19, 2015 #2

    Chalnoth

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    [tex]R_c={c \over H_0 \sqrt{|\Omega_k|}}[/tex]
     
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