Beyond The Universe Apr 2026

: Our universe could be an isolated "island" floating in a higher-dimensional "super-universe". What's Beyond The Observable Universe?

The observable universe is a sphere around Earth containing everything we can currently see. Because light has a speed limit, we can only see objects whose light has had time to reach us since the Big Bang (about 13.8 billion years ago). Beyond the universe

: A common misconception is that the universe expands into something. In reality, space itself is stretching ; it doesn't need "empty room" to grow into. 3. The Multiverse and "Super" Universes : Our universe could be an isolated "island"

: In this model, if you travel in one direction long enough, you eventually end up back where you started . There is no "outside" because the fabric of space-time itself is all that exists. Because light has a speed limit, we can

If the universe is finite, it doesn't necessarily have a "wall." Instead, it might be curved like the surface of a sphere.