Everything Inside Something Everything Outside Something; What Is That?

How Big Is The Universe?

PKR-Peasy
4 min readAug 16, 2024
3D Fractal Illustration

Have you ever found yourself staring at the night sky, feeling small and wondering how it all fits together? Here’s a thought: what if the universe is like one gigantic, repeating pattern that never stops? It sounds like something out of a sci-fi novel, but this idea — of the universe as a 3D fractal — could help us make sense of some of the biggest mysteries in space.

What Exactly Is a Fractal?

First, let’s talk about what a fractal is. A fractal is a pattern that looks the same no matter how much you zoom in or out. Picture a tree: how its branches split into smaller branches, which then split again, is a classic example of a fractal. This pattern repeats at every level, whether you’re looking at the whole tree or just one tiny twig.

2D Fractal

But fractals aren’t just cool shapes in nature — they show up in all sorts of places, from how rivers carve through landscapes to the structure of our lungs. Now, imagine if this same kind of pattern applied to the entire universe.

The 3D Fractal Universe: What…

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