Take a star in a region of the universe that recedes from us at 3c. In what sens... | Hacker News

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		cbolton on March 12, 2024 \| parent \| context \| favorite \| on: Webb and Hubble confirm Universe's expansion rate Take a star in a region of the universe that recedes from us at 3c. In what sense is the star not traveling faster than the speed of light relative to us?

westurner on March 15, 2024 [–]

.

  v   - c < 0
  -3c + c = 2c
  +3c - c = 2c

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