Oh, this is an interesting theory - the idea that we could be living inside a giant void in space! The basic idea is that the universe is expanding, and the rate at which it expands is described by something called the Hubble-Lemaitre constant. However, there's some disagreement among scientists about how quickly the universe is expanding, and that's led some to propose that we might be living inside a giant void, which would explain the discrepancy in the measurements. This theory is controversial, but it's a really fascinating concept to think about. It kind of makes you feel small, doesn't it? 😆
Live Science
Is Earth inside a giant void? It could solve one of cosmology
Our best observations can