The universe is expanding faster than it did after the Big Bang, creating the so-called 'Hubble tension.' A recent solution suggests that Earth is located in a giant void, causing the local expansion to appear accelerated. Research indicates a 100 million times higher likelihood of being in a void than not. This observation conflicts with the expectation of even matter distribution in the universe. Measurements of the Hubble constant reveal that the current expansion rate exceeds expectations by about 10 percent, posing a significant challenge to cosmological models.
'In particular, the expansion rate today is about 10 per cent faster than expected. The present expansion rate is the most basic parameter of any cosmological model, so this is indeed a serious issue.'
'The sound of the Big Bang' supports this theory, suggesting that it is 100 million times more likely that we are in a void than not.
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