- This two-part illustration represents supernova GRB 250314A as it was exploding and three months after that when #NASAWebb observed it. Webb confirmed the supernova occurred when the universe was only 730 million years old. Credit: NASA, ESA, CSA, STScI, Leah Hustak (STScI).
- Another #NASAWebb record breaker: a supernova that existed only 730 million years after the big bang! Learn how Webb delivered the conclusive evidence when it followed up on a fleeting event known as a gamma-ray burst: bit.ly/3Y782ul 🔭 🧪
