Around 4. 6 billion years ago, the solar system was little more than a giant ball of gas and dust. Over the next few million years, this "solar nebula" underwent a huge transformation, flattening into a disk of matter that then condensed to form the central sun and orbiting planets.
Source: [Phys.org](https://phys.org/news/2026-08-meteorite-magnetism-sun.html)