Researchers from the Instituto de Astrofísica de Canarias (Spain) and the University of Cambridge (UK) have detected lithium (Li) in the ancient star J0023+0307, a main-sequence extremely iron-poor dwarf star about 9,450 light years away in the galactic halo.
![](https://3c1703fe8d.site.internapcdn.net/newman/csz/news/tmb/2019/lithiumdetec.jpg)
Source:
https://phys.org/news/2019-04-lithium-ancient-star-clues-big.html