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The Hubble Constant

The Hubble Constant says that spacetime is expanding uniformly, all over. So, that seems to contradict the idea that the voids have expanded more than the filaments, despite the evidence that we can see. But on local levels, we see all kinds of movement that defy the Hubble Constant. For example, we witness no expansion of space within our galaxy, nor within our local cluster. There’s the hypothesized ‘Great Attractor’ to explain our own cluster’s movement in our filament. Etc. Plus, different measurements give us very different Hubble Constants. So I wonder if the Hubble Constant may be just an Average, one that only works on large scales of observation. If we look out on distant galaxies, they all seem to be receding at the same velocity, away from us. But maybe that’s because we’re looking across voids, that themselves are expanding. Everything on the other side of a void is receding at the same rate, because that void is expanding uniformly between them and us.


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