Long-duration gamma-ray bursts, among the universe's most energetic events, are likely produced by collapsing stars rather than neutron-star mergers, according to new findings. The study challenges a prevailing hypothesis that linked these powerful bursts to stellar collisions.
Los Alamos National Laboratory scientists, who first discovered gamma-ray bursts over 50 years ago, continue to unravel their origins. These events release more energy in seconds than the sun emits over 10 billion years, making their source crucial to astrophysics.
The research refines decades-old theories, building on LANL's legacy in high-energy astrophysics. Understanding the true progenitors of long gamma-ray bursts could deepen knowledge of stellar evolution and cosmic explosions.
These bursts serve as cosmic beacons, and misidentifying their origins could skew models of star formation and black hole creation. The findings may redirect future observational priorities for telescopes studying transient phenomena.
Further observations with advanced instruments will be necessary to confirm this revised framework against alternative scenarios.