How Likely Is It That There Are Parallel Universes And Other Earths?

In fiction and in films such as Spiderman: Into the Spider-Verse, parallel universes – also called the multiverse – exist alongside our own, with anything from small differences in events to entirely different rules of physics. It is an exciting and fascinating idea. Physicists have given the question of whether parallel universes could exist a lot of thought – and have come up with quite a few theories. Infinite expanse One popular theory relies on something physicists already know about. The universe is expanding. This means galaxies far from Earth are moving away from us. This process is called cosmic … Continue reading How Likely Is It That There Are Parallel Universes And Other Earths?