A new study has identified a chemically distinct star located in the halo of the Milky Way, stating it provides evidence of the deaths of the universe’s first stars. The research team says the new find could represent the very first evidence of a pair-instability supernova (PISNe) from the early universe.

Numerical simulations of the formation

As many expected, Apple finally and officially entered the realm of mixed reality with the unveiling of its Vision Pro headset during WWDC 2023 this week. And also as anticipated, it’s not cheap by any stretch of the imagination—there’s a clip going around of mild groans as Apple revealed the headset’s $3,499 price tag. Despite the semi-sticker