The disagreement in the rate of expansion of the universe, the Hubble tension, could arise from the fact Earth sits in an under-dense supervoid region of space.

Hubble trouble or Superbubble? Astronomers need to escape the 'supervoid' to solve cosmology crisis

Source: space
Source Link: https://www.space.com/the-universe/hubble-trouble-or-superbubble-astronomers-need-to-escape-the-supervoid-to-solve-cosmology-crisis