A long time ago—roughly 4.5 billion years—our sun and solar system formed over the short time span of 200,000 years. That is the conclusion of a group of Lawrence Livermore National Laboratory (LLNL) scientists after looking at isotopes of the element molybdenum found on meteorites.
![](https://scx1.b-cdn.net/csz/news/tmb/2020/solarsystemf.jpg)
Source:
https://phys.org/news/2020-11-solar-years.html