Faint Star Flash Challenges Stellar Explosion Theories

Astronomers have identified the faintest shock breakout flash ever tied to a supernova of this type, designated EP260321a, which occurred 515 million light-years away. Detected by the Einstein Probe on March 21, 2026, the event challenges existing models of stellar death by appearing to bridge the gap between ordinary supernovae and the universe’s most energetic … Read more