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## Main Question or Discussion Point

Can you show that a closed spacetime may embody one (or even an infinity of) geodesics with infinite length? How does this influence local curvature?

- Thread starter Loren Booda
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- #1

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Can you show that a closed spacetime may embody one (or even an infinity of) geodesics with infinite length? How does this influence local curvature?

- #2

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(I assume that the mass-energy curvature of a closed universe would eventually lead any interior photon to a singularity.)

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