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About how large is the observable universe's present radius?

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  1. 13.8 billion light-years
  2. 4.65 billion light-years
  3. 46.5 billion light-years

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References

  1. The James Webb Space Telescope: Unfolding the Universe nepp.nasa.gov/docs/etw/2022/13-JUN-MON/1055-Geithner-v3-20220009134.pdf Checked 2026-10-10.

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