Pop I

The cycle of stellar birth and recycling continued, until about 10 billion years ago, Pop I stars began to form. Our Sun is a Pop I star, and the metals found inside it and our solar system can all be traced back to the same type of supernovae that spread dust (and metals) throughout A2744_YD4.

2017 March 8, Alison Klesman, “This is where stardust comes from”, in Astronomy Magazine, archived from the original on 28 Sep 2021