1. Subscribersonhouse
    Fast and Curious
    slatington, pa, usa
    Joined
    28 Dec '04
    Moves
    53223
    04 Dec '23 00:03
    Hubble tension is the fact two measurement techniques give different rates for the expansion of the universe, 244,000 Km/hr per megaparsec Vs 264,000 for the other.
    There is a new theory on what causes that:
    https://phys.org/news/2023-12-explanation-hubble-tension.html
    That we may live in a relatively sparse bubble about 3 billion light years across, which is a small amount of space compared to the whole universe, the average density being less here giving rise to differing methods of measurement of the expansion velocity.

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