RT @Astro_Jonny
Super excited to share this.

Astronomers say they may have seen a hint of helium-2 in the early universe using JWST. It could be a first sign of Pop III stars, the first stars in the cosmos.

Pretty amazing discovery if true.

Words by me @QuantaMagazine

https://www.quantamagazine.org/astronomers-say-they-have-spotted-the-universes-first-stars-20230130/