What is the multiverse theory, and how does it differ from traditional cosmological models?

The multiverse theory is a speculative idea that proposes the existence of many possible universes beyond our own, each with its own set of physical laws and properties. According to this theory, our universe is just one of many possible universes that exist within a larger multiverse. The multiverse theory differs from traditional cosmological models in several important ways. One of the key differences is that traditional cosmological models, such as the Big Bang theory, propose the existence of a single universe that began with a single event, such as the Big Bang. In contrast, the multiverse theory proposes the existence of....